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Cold Weather Basics – Layering

I love the outdoors. Even in the coldest weather, I would much rather run or ride my bike in the woods or on trails than stay inside slogging out miles on the “dreadmill” or spinning away going nowhere on my bike trainer. Cold weather means preparation, though. You can’t just slip outside in nothing more than a pair of running shorts when the wind chill is -30° F. Doing so could have truly disastrous consequences.

Outside Temp
Baby, it’s cold outside!

If you feel the same way about treadmills and trainers but don’t like the cold … you’re in luck. This is article will capture my years of trial, error and experience to help you stay relatively warm even in sub-zero temperatures. We’ll start with the basics and work toward more specific and advanced topics.

The first, and most important, concept in preparing for cold weather is layering. There are three basic layers in a cold weather system – the Base Layer, the Insulating Layer and the Environmental Layer. (You may hear others use different terms, but the principles are the same.)

layering for the cold
Cold Weather Layering

The purpose of the Base Layer is to remove perspiration from your skin to help stave off the compounding effect of moisture on cold. Cold is bad enough. Cold and wet can be deadly.

The purpose of the Insulating Layer is to create a space to retain as much body heat as possible while keeping out as much cold as possible. Often, bulk is utilized to create the insulating layer. The challenge with active outdoor gear is that bulk usually equates to clumsy and clumsy is counter-productive to most athletic endeavors.

The purpose of the Environmental Layer is to minimize the effects that the environmental elements, like snow, rain, wind, sleet and the like, have on robbing you of your body heat. Generally, the biggest challenge with the Environmental Layer is letting perspiration out while keeping precipitation (and wind) from getting in.

Cold Weather Basics – Base Layer

Recently, the process of pulling perspiration away from the skin and through a layer of clothing has been dubbed “wicking”. “What’s the point of wicking?” you may ask. Moisture on your skin exacerbates the negative effects of cold temperatures. Keeping moisture away from your skin helps alleviate this problem, keeping you warmer. A debate rages among the members of the cold weather outdoor community whether Merino wool or man-made wicking fabrics make better base layers. Wool does a good job of pulling moisture away from the skin, but it traps and holds the moisture rather than passing it through like newer, “tech” fabrics. Holding moisture is called absorption and it is different from wicking.

layering for the cold
Base Layer

In my opinion, the sole purpose of the base layer is to keep me dry. In which case, there is no debate. Man-made, wicking fabrics do a better job of pulling moisture away from your body and passing it through than does wool because wool absorbs moisture. I will grant that wool is probably better than any man-made fiber at maintaining its ability to insulate when wet. However, that is not the point of the base layer. To do its job (keep you dry), the base layer must fit close to the skin and pull moisture away from the skin, through the fabric and out into the air, period. In slightly warmer temperatures, it may be acceptable for a single garment to act as more than one layer. In these cases, Merino wool is an excellent choice for a combined base/insulating layer.

Cold Weather Basics – Insulating Layer

In this realm, man-made materials struggle to keep up with natural fibers like wool and down. For active cold wear, it’s hard to beat wool as an insulating layer. Wool continues to insulate even when it gets moist. If you’re going to be active in the cold outdoors, you will probably sweat. Wool is exceptional in this regard. Down is exceptional when it comes to providing dry insulation. A number of man-made, down-like fibers, however, perform better when wet than does down.

cold weather layering
Insulating Layer

One of the key principles in any type of insulation is the “air barrier”. An air barrier is no more sophisticated than an empty space between two layers. In general, the larger the air barrier, the better the insulation. This is one of the reasons that down is so good at insulating – it creates a large air barrier. This is also one of the reasons that mittens are generally warmer than gloves – they create an air barrier around your fingers.

The goal, then, of the Insulating Layer is to create an air barrier between the Base Layer and the Environmental Layer. This is accomplished in two ways. First, your layers should be loose. Tight layers compress the air barrier. Second, the Insulating Layer needs “loft”. Loft is essentially space, filled loosely with insulating material, e.g. goose down, wool, etc. The combination of an air barrier with a material with high thermal qualities (an ability to keep in heat and keep out cold) creates the best Insulating Layer. Thanks to advances in materials, both man-made and natural, the amount of loft required to create good insulation has decreased over the years

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. A quick look at today’s puffy coats as compared to the puffy coats of the last couple decades is obvious proof.

Cold Weather Basics – Environmental Layer

The biggest challenge related to the Environmental Layer for the active, cold weather outdoorsman (or woman) is letting perspiration out while keeping precipitation (and wind) from getting in. Historically, Environmental Layers have been made of vinyl, neoprene and similar materials that don’t breathe very well … or at all. Because these materials don’t breath, they do an excellent job of keeping the elements from getting in. They do a horrible job letting perspiration out. The end result is moisture build-up inside the Environmental Layer.

Thanks to relatively recent advances in technology, new fabrics like GoreTex®, eVent® and NeoShell®, combine the “keep it out” capabilities of the old materials with the “let it out” capabilities necessary to allow perspiration to escape.

Environmental Layers generally come in two types – soft shells and hard shells. As you might guess, soft shells have a softer feel (garment exterior) while hard shells have a harder feel (garment exterior). There is no right or wrong when it comes to choosing hard or soft. It’s really a matter of the intended use and the associated conditions. The three primary deciding factors, when picking a hard shell or soft shell are: 1) Precipitation; 2) Perspiration; 3) Packing. Generally speaking, more precipitation means you should lean toward the hard shell. Less precipitation and more perspiration means you should lean more toward the soft shell. Your packing requirements, i.e. how much weight you want to carry and how much space you want to consume by packing your jacket, will provide you with an additional determining factor to help you make your decision. Historically, hard shells weighed more and took up more packing space than did soft shells. Recently, that has changed, however, and it’s more of an equal race that comes down to the specific jacket rather than the jacket’s category.

cold weather layering
Environmental Layer

A word about maintaining your shell …. Most environmental layers (hard shell or soft shell) are coated with a Durable Water Repellent (DWR). As with most things, the DWR wears off over time. Keeping your shell clean and re-coating it with a high-quality DWR are the two most important elements to maintaining your shell’s capabilities. Machine wash your shells utilizing soaps like ReviveX Synthetic Fabric Cleaner, Granger’s Performance Wash or Nikwax Tech Wash. DO NOT use a liquid fabric softener or dry your shells in the dryer. Once your shell is clean, spray it with a quality DWR like Nikkwax TX Direct Spray-On or ReviveX Spray-On.

Cold Weather Basics – Footwear

Keeping your feet warm in cold weather can be a major challenge, right up there with keeping your hands warm (Stay tuned for more on this in our next installment of Cold Weather Basics.). Most people make one of three mistakes with their cold weather footwear: 1) They wear their “normal” shoes and socks, 2) They wear too many socks making their shoes or boots too tight or 3) They wear the wrong kind of “cold weather” footwear.

So-called, “normal” shoes and socks generally don’t work because they’re intended to be worn inside, in controlled temperature environments, or outside in relatively warm and dry environments. If you’ve read our previous Cold Weather Basics installments, you know that cold and wet is a recipe for disaster. If you’re out in cold, wet weather, wearing footwear that was never intended to keep your feet warm or dry … you just pulled out the cookbook and measuring cups to whip up that recipe. Save the crocodile loafers and cotton socks for the office.

cold weather layering
Cotton Kills

You’re not like those idiots that wear their summer shoes out onto the winter trails. You went out and bought real winter boots and big, thick wool socks but your feet are still miserably cold. What went wrong? Simply put, you probably packed things too tightly. If you read about the Insulating Layer, you know that you need “loft” to keep you warm. What do you suppose happens to the loft of your thick, wool socks when you cram them into boots? You guessed it. The loft – along with its insulating capabilities – disappears.

If you didn’t make either of the first two mistakes but your feet are still cold, you may have the wrong type of cold weather footwear. Take a look back at the principles we’ve discussed over the course of this series of Cold Weather Basics articles. Are you wearing a Base Layer, Insulating Layer and Environmental Layer on your feet? Do the socks you wear wick moisture away as your feet perspire?

cold weather layering
Cold Weather Footwear

Picking the right footwear for the conditions is paramount to keeping your feet warm. Follow the same basic principles laid out in the previous installments of this series and you’ll be well on your way to keeping your feet warm and dry.

Cold Weather Basics – Handwear

I admit it. I made up the term handwear. It makes sense to me. It encompasses gloves, mittens, lobster gloves and a host of other items worn on the hands that no other term, to my knowledge, comprises.

Now that we have that out of the way … let’s deal with the challenge of keeping your hands warm and dry in the cold. It seems that I hear more complaints about cold hands than any other body part. All the same principles discussed in previous articles apply. Use a Base Layer, i.e. a glove liner, to wick perspiration away from your hands. Use an Insulating Layer to create loft, keep warm in and cold out. And, use an Environmental Layer to keep out the elements.

“Three gloves?” you ask. Well, yes, if you’re out in extremely cold conditions or fairly cold conditions but not moving. Movement keeps your entire body warmer and that warmth will extend to your extremities.

cold weather layering
Cold Weather Handwear

Dexterity is an issue. Gloves provide more dexterity while mittens provide more warmth (larger air barrier than gloves). Everything in life is a trade-off.

cold weather layering
Mittens when Dexterity Isn’t Required

Fortunately, necessity being the mother of invention, several companies have come up with a product category called “lobster gloves”. These gloves are really a cross between an glove and a mitten that ends up looking a lot like a lobster claw. Instead of encompassing all four fingers in a single air barrier space, the space is divided into two sections. Lobster gloves provide much of the warmth of mittens with a good dose of dexterity.

cold weather layering
Lobster Gloves

Cold Weather Advanced – Heat Reflecting Fabrics

Heat reflecting fabrics have been around for a while. I bought my first pair of heat reflecting glove liners and sock liners probably twenty years ago. Not much has changed, as far as the technology goes, but heat reflecting fabrics have seen a rise in popularity over the last few years. Columbia’s Omni Heat® product line is largely responsible for this gain in popularity.

cold weather layering
Heat Reflecting Glove Liners and Socks

Heat reflecting fabrics typically have thin, shiny metal threads woven into the main fabric. The metal threads act like a reflector bouncing your body heat back at you (much like a ‘space blanket’ does). The technology is interesting. I can definitely vouch for its effectiveness but there are some drawbacks.

The metal threads in heat reflecting sock liners will quickly cause blisters for hikers and runners. Often, the main fabric of these garments is not particularly durable. I’ve found that the glove liners tear easily. Columbia has done a good job of minimizing most of these problems with their Omni Heat® lineup. I’m going on two years with my Omni Heat® coat and beanie with no problems.

cold weather layering
Columbia Omni Heat Beanie

Well, that pretty much sums it up. If you want to keep warm when it’s cold outdoors … stay indoors. If you don’t mine a little bit of cold, bundle up in layers and take advantage of technologies like Columbia’s Omni Heat® to keep you relatively warm in absolutely frigid temperature.

The Equilibrium Family

Like a batch of relatives showing up for a holiday gathering, the Equilibrium (EQ) family of mid-layers from Triple Aught Design (TAD) showed up on our doorstep the day before Christmas … just in time for some nasty weather.

If you’re not familiar with TAD’s Equilibrium jacket, vest and hoodie, they are key components of TAD’s mid-layer collection heralding “active insulation, moisture management and packability.”

The EQ’s Polartec Alpha insulating material is an advanced, breathable insulation technology claiming to work during both rest and periods of activity

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Moisutre management across the EQ family is delivered through a stretch nylon shell with Schoeller’s 3XDRY textile finishing technology that proclaims, “dry on the outside, dry on the inside, dry in a flash.”

Finally, the EQ family of mid-layers is compressible, easily-layered and storable in small spaces. Each member of the family sports a rear hunter’s pocket to be used as a stuff sack.

For this review, we utilized three product testers.

About the product testers:

Tester #1: EQ jacket and vest – active daily wear in a light physical work environment

Tester #2: EQ hoodie – school wear with the need to wear the jacket both indoors and outdoors

Tester #3: EQ jacket – active daily wear in a law enforcement environment (under body armor carrier)


To determine the EQ’s ability to deliver on its three primary promises (insulation, moisture management and packability), we tested the EQ for warmth as an outer layer in temperatures as low as 15°F. We tested the EQ for warmth as a mid-layer in temperatures as low as -8°F. We tested the EQ for comfort and moisture retention in normal indoor temperatures while performing activities like climbing multiple flights of steps. We tested the EQ for wind and precipitation resistance in winds up to 30 MPH and in light snow and freezing mist. Finally, we tested the EQ’s packability by stowing it within its pocket and carrying it in a backpack for the better part of a day. We repeated this test several times.


The EQ family of mid-layers provide excellent insulation when worn under a soft shell, hard shell or other outer layer garment such as the TAD Talisman jacket. When compared to only the outer layer in the same conditions, comfort and warmth increased significantly. The EQ jackets (and vest) certainly rank near the top of the list of the mid-layers we have tested over the years in their ability to insulate without adding considerable weight.

As one might expect, the EQ vest leaves the wearer’s arms exposed providing less insulation than the jacket and hoodie. We found the EQ vest worked very well with the TAD Talisman in temperatures down to about 20°F. Below this temperature, the Talisman lacked sufficient inherent insulation to keep the wearer’s arms comfortable. When combined with the EQ jacket, however, the Talisman-EQ combination kept the wearer comfortably warm at temperatures approaching 0°F as long as winds were not too much of a factor. When combined with a quality soft shell, with excellent wind resistance, wearers were comfortable even with relatively high winds.

When worn alone (no outer layer), the EQ jacket and hoodie provided adequate warmth down to about 25°F if the wearer was active (at least a brisk walk).

We did notice that the EQ’s ability to provide insulation was decreased slightly after being packed for some time. This is fairly typical of similarly-insulated items and was easily rectified with a quick fluff in the dryer on the cool temperature setting. We have found that this is often necessary with items like synthetically-insulated sleeping bags.

We found the EQ’s moisture resistance to be adequate for a garment designed to be a mid-layer. In light snow and freezing mist conditions, wearers remained dry after as much as 30 minutes out in the elements. Beyond this, it would be reasonable to add an outer layer with more advanced moisture resisting characteristics. However, the light precipitation described essentially beaded up and rolled off of the EQ.

The EQ’s breathability and adaptability exceeded our expectations. As mentioned, one of our testers frequently wore the EQ hoodie inside his school building. He noted that the only time he felt the need to remove the hoodie was when he was involved in a mildly strenuous activity (more than climbing a few flights of stairs). This same wearer also utilized the EQ hoodie as his only outer garment when walking home from school in temperatures as low as 10°F. He noted some discomfort below 25°F, however, and also noted that the hood provided very little warmth or protection against wind. The hood does not fit tightly around the head allowing wind in the front to reach the wearer’s ears quite easily.

As for packability, once the wearer is familiar with the procedure to stuff the EQ into its pocket, it is quite convenient to be able to put the EQ into a small backpack with other items or even into a large cargo pocket. As noted above, long-term stuffing compresses the Alpha insulating material reducing its ability to provide insulation.

One factor not touted by TAD in their marketing materials for the EQ is durability. Normally, one would expect a nylon mid-layer to be somewhat “fragile.” That appears not to be the case with the EQ family. One of our testers wore his EQ jacket under his Cordura body armor carrier daily for several weeks. Surprisingly, the EQ jacket showed no real signs of wear. Our tester did snag the sleeve on a thorny plant but one can hardly expect a nylon mid-layer to resist such incidents.

Equilibrium Jacket Under Armor Carrier
Equilibrium Jacket Under Armor Carrier

An oddity that we discovered when reviewing three members of the Equilibrium family is that there seemed to be no rhyme or reason to the locations of the zipper pulls. Some were on the main zipper. Some were on pockets. The only item that had pulls on all of its zippers was the Equilibrium Vest.

No Zipper Pull
No Zipper Pull
Zipper Pull
Zipper Pull

Overall, the EQ family were wonderful guests. One can hardly imagine a place where they would overstay their welcome. We have integrated them into the Trek Tech Black family as permanent members in our fall, winter and spring daily wear.

LALO Tactical Shadow Amphibian Boots

LALO Tactical Shadow Amphibian Boots, Desert Color, MSRP $350.00,

Author: Toby Asplin

Contributor: Eddie Baker

Photos: Shelly Lynn

FTC Disclosure: The product reviewed was provided by the manufacturer/distributor.

Overall Rating:  Four out of five Evil Black Rifles (Five is best.)

Four Rifles


Appearance: Three out of Five Evil Black Rifles – Very light desert tan color and 1990’s Reebok/Orthopedic Shoe appearance were off-putting to several reviewers.

Three Rifles


Durability: Four out of Five Evil Black Rifles – Handled our usual Trek Tech Black abuse over the course of three months with no signs of undue wear. We believe they would hold up well over longer use as well.

Four Rifles


Features: Five out of Five Evil Black Rifles – LOTS of features.

Five Rifles


Market Leadership: Five out of Five Evil Black Rifles – Exceptional, market-leading functional design and comfort for a water-oriented boot.

Five Rifles


Value: Three out of Five Evil Black Rifles – Relatively high price and narrow niche (water immersion-oriented missions) hurts LALO in this category.

Three Rifles


LALO Tactical’s Shadow Amphibian boots may appear to have descended from your mom’s 90’s Reeboks but they’re one of the best tactical boots on the market when it comes to operating in water.

For those familiar with operating in water and wet conditions, you know that there are two basic approaches – attempt to keep your feet completely dry or allow your feet to breathe, drying naturally. There are two flaws in the first approach. First, it is virtually impossible to keep your feet entirely dry, regardless of the technology. Second, dry boot technology tends to hold moisture in preventing the circulation of air and slowing the natural drying process.

Fill 'er up!
Fill ‘er up!

As a part of our testing, we spent time walking in creeks, ponds and lakes, filling the Shadow Amphibians with water to see what would happen. What happened was the water drained out of the boots so quickly that we really couldn’t capture the draining process in a photo.

Drain Vents
External Drain Vents

Even when slightly clogged with mud, the Shadow Amphibians’ external drain vents worked well. As expected, testers feet were wet but the boots drained very quickly. The Amphibians also have drain vents in their insoles.

Internal Drain Vents
Internal Drain Vents

Interestingly, although the boots drain well, the uppers don’t breathe all that well. In normal (dry) operating conditions, most testers experienced a fair amount of trapped perspiration.

Our testers had a few other nits and picks. The “Desert” color of the boots is very light. LALO assured us that the color is “a Pantone from the military and is the tan color that the SEAL Teams use” but it was lighter than other desert boots owned by some of our testers. The light tan color looks almost white in certain lighting conditions giving the boots the appearance of an orthopedic shoe.

The tongue flap (see feature photo) protects the boots’ laces and helps prevent them from coming untied.  A nice feature to be sure.  However, in our testers’ opinions, this feature is not as well-executed as the lace pocket on some of Salomon’s shoes and boots (our benchmark for this feature).

The finger loop on the back of the boots is fairly small

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. Testers with larger fingers struggled to fully insert their finger into the loop. This, coupled with the lack of a speed lace system, makes the boots a little more difficult than average to put on and take off.

Finger Loop
Finger Loop

Overall, however, our testers’ response to these boots was very positive. The fit was generally good out of the box. The boots are fairly stiff, however, and require some break-in time. That stiffness provides support. One tester took his test pair for a run and stepped in a hole that would normally have resulted in a high ankle sprain. With the Shadow Amphibian’s support, he was none the worse for wear.

The soles of these boots are very quiet on normally squeaky, polished floors. While the tread is not particularly aggressive, the boots provide good traction on frosty grass, water-covered rocks and snowy ground.

Shadow Amphibian Tread
Shadow Amphibian Tread

Even though these boots are relatively stiff, the ankle flexes nicely due to the flex notches fore and aft. They are some of the most comfortable boots we’ve tested when it comes to running. The compression molded insole works well for those with a forefoot-strike running stride.

Rear Flex Notch
Rear Flex Notch
Front Flex Notch
Front Flex Notch

In summary, the LALO Tactical Shadow Amphibian is a superb boot for those who anticipate a good deal of water submersion. Water-based special ops missions, GORUCK events and other similar events would be perfect for these boots. Given the Shadow Amphibians’ price, however, potential buyers should give careful consideration to their intended use before shelling out the dough. Most people don’t really need a boot like this. With that said, if you have the resources, can find a bargain on a site like or truly need a boot that handles water immersion well … we highly recommend the Shadow Amphibian.