Snow gaiters, and the published height that decides whether they work

First, the word problem

A snow gaiter is a sleeve that wraps the lower leg and the top of the boot, with a strap under the arch and a hook on the laces, to stop snow getting in at the top of the boot. A neck gaiter is a tube of fabric you wear around your neck. They share a name and nothing else, and searching for one reliably returns the other.

This page is about the leg kind. The neck gaiter roundup is here if you wanted the other one.

Height is the specification

Everything else on a gaiter is a detail. Height is the product. A gaiter stops snow up to the point where it ends, and snow that goes over the top has defeated it completely - there is no partial credit, because the snow that gets in melts against your sock and stays there.

So the question is not “which gaiter”, it is “how deep is the snow I walk in”. The three here span almost exactly the useful range, and every figure below is published by Kahtoola rather than estimated by us.

What else to compare, in order

• 1. Membrane, or the absence of one. This is where money is wasted. A gaiter with a GORE-TEX laminate keeps water out. A gaiter with only a DWR finish - a coating on the outside of the fabric - sheds light moisture and wets through under sustained contact with snow. Both get described as “waterproof” by people selling them. Only one of the three here publishes a membrane.
• 2. The instep strap. The strap that runs under the arch of your boot is the part that fails, because it is the part dragged across rock, ice and your own crampon points. Kahtoola publishes a thermoplastic polyurethane strap it calls DuraLink and warrants separately for 1,000 miles, which is an unusually specific claim in a category that normally publishes nothing.
• 3. The zipper. A side zip is how you get a gaiter on over a boot you are already wearing. An AquaGuard zipper is the water-resistant version; a plain one is not. Published, on all three.
• 4. Weight per pair. You lift them with every step for several hours. Published here from 62 to 133 g the pair, which is the difference between noticing and not.
• 5. Published size run. A gaiter has to close around a calf and seal against a boot. Three published sizes is the norm in this category and it is thin, so check the mapping the maker publishes rather than guessing from your shoe size.

The three, compared

Read the first two rows together and the page answers itself. The tallest gaiter here is also the only waterproof one, and it is currently the cheapest of the three. That is not how this category usually works, and the reason is in the next section.

The picks

Kahtoola LEVAgaiter GTX, Tall

The pick for anyone on snowshoes. Kahtoola publishes 13.5 in (34 cm) in the Tall height, which clears the top of every winter boot in our boots roundup and then keeps going up the calf, and it publishes a three-layer GORE-TEX laminate behind it.

The combination is the point. Height without waterproofing gives you a wet sleeve holding snow against your leg; waterproofing without height gives you a dry ankle and a full boot. This publishes both, plus a DuraLink thermoplastic polyurethane instep strap carrying a separate 1,000-mile warranty, an asymmetrical side closure with a YKK AquaGuard coil zipper, and 133 g the pair in size L.

Honest cons, and the first one matters. This is the past-season model. Kahtoola’s current LEVAgaiter publishes a 7 in height instead, so the Tall is run-out stock and the price reflects that - which is why it undercuts the shorter, less waterproof gaiters below it. When it is gone it is gone. Beyond that: three published sizes only, no denier published for the fabric, and a one-year warranty on the gaiter itself, which is short beside the four-year term Kahtoola publishes on its traction devices.

Kahtoola INSTAgaiter Mid

The comfortable one, and the one to read the specification on before you buy. Kahtoola publishes 7.5 in (19 cm) over an 86% stretch-woven recycled nylon and 14% polyurethane blend, which moves with the calf instead of flapping around it, at 76 g the pair.

For a packed trail, a dog walk in a cold snap or a shallow-snow hike, that is a genuinely nice piece of kit - light, stretchy, quick to put on, and sized from XS, which is smaller than the GORE-TEX model goes.

Honest cons. There is no membrane. Kahtoola publishes a PFAS-free DWR finish and describes it as deflecting light moisture, which is water-resistant and is not the same claim as waterproof. The zipper is a plain YKK VISLON rather than the AquaGuard version. And at $54.95 published it is the dearest gaiter on this page while being shorter and less waterproof than the one above it.

Kahtoola INSTAgaiter Low

Marked as the skip above, and the reason is one published number: 4.5 in (11.4 cm). That does not reach the top of a winter boot. In snow it is decoration.

It is on this page because it is the pair people buy by accident. It carries the same brand, the same strap, the same fabric and a lower price than the Mid, and the height is the one specification a buyer skims past. If your reason for being here is snow, this is the wrong product at any price.

What it is genuinely good at is three seasons of the year: trail running, scree, dust and summer grit, at 62 g the pair, which is the lightest thing on this page by a distance.

Waterproof against water-resistant, which is most of the money

A DWR finish is a treatment applied to the outside of a fabric. It makes water bead and roll off, it works well for a while, and it wears off with abrasion and washing. It is a surface property.

A membrane is a layer laminated inside the fabric with pores small enough to block liquid water and large enough to pass water vapor. It is a structural property, it does not wear off, and it is why a GORE-TEX garment costs what it does.

On a jacket the difference is obvious within an hour of rain. On a gaiter it is slower and sneakier: the fabric is pressed against wet snow continuously, from the outside by the snowpack and from the inside by your calf, and a DWR-only gaiter eventually wets through and holds that moisture against you. The waterproof ratings page explains what the numbers behind this mean, where a maker publishes any.

None of which makes a water-resistant gaiter useless. It makes it a different product, for drier snow and shorter days, and worth knowing about before you pay more for it than the waterproof one costs.

How a gaiter attaches, and the bit that breaks

Three points hold a gaiter on, and they fail in a predictable order.

• The instep strap runs under the arch of the boot and takes every step, every rock and every crampon point. This is the part that goes. It is also the part makers almost never specify, which is why a published material and a published mileage warranty are worth paying attention to.
• The lace hook clips to the front laces and stops the gaiter riding up. A nylon hook is quiet and will not scratch a boot; a metal one lasts longer. All three here publish nylon.
• The top closure - a drawcord or elastic - seals against the calf. Too tight and it restricts circulation in exactly the place you do not want that in winter; too loose and snow drops in from above.

One practical habit: put gaiters on before you need them, not when the snow gets deep. Fitting a gaiter standing in a drift, in gloves, with a snowshoe already strapped to the boot, is a genuinely unpleasant five minutes.

When you do not need gaiters

Often, honestly. They are an accessory for a specific problem, and plenty of winter days do not have that problem.

• Groomed or packed trails. If the snow is below your boot cuff and staying there, your boots already solve this. The winter hiking comparison covers when a trail is packed enough that you need traction rather than flotation - and if that is your day, you probably do not need gaiters either.
• If you already ski. Snow pants have a built-in boot gaiter, the elasticated cuff that sits over the boot. For snowshoeing in moderate snow, the ski pants you already own do most of this job, which is exactly what our snowshoe pages have always said.
• Tall winter boots. A boot with a high shaft is a gaiter you are already wearing.

Where gaiters earn their place is the gap between those: ordinary hiking boots, unpacked snow, and a route where you are breaking trail rather than following one. That is most of what snowshoeing actually is. The snowshoe picks are here, and the sizing guide covers matching flotation to your loaded weight.

Who should buy what

• Snowshoeing, or breaking trail in deep snow: the LEVAgaiter GTX in the Tall height. It is the only one here that is both tall enough and actually waterproof, and while the run-out stock lasts it is also the cheapest.
• Packed trails and shallow snow: the INSTAgaiter Mid, as long as you know you are buying water-resistant rather than waterproof.
• Trail running, scree and summer grit: the INSTAgaiter Low, which is excellent at that and wrong for this page.
• Anyone who already owns snow pants with boot gaiters: try a day without, first. You may already be fine.