Trek Guide

Cold feet at 5,000m is a sock problem, not a boot problem

Most cold feet and hands on a Nepal trek come from wet socks and the wrong gloves, not cheap boots. The simple system that keeps them warm.

By Prakash Tamang · Oct 7, 2026

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When people get cold feet on a Nepal trek they blame the boots. Nearly always it is the socks: one damp pair worn all day, then worn again the next morning. Feet sweat on the climb, the sweat cools when you stop, and wet wool or cotton against cold skin feels…

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Why feet get cold

Because feet sweat on the climb and then stop moving. A long uphill makes feet warm and damp. At a rest stop, or at the lodge in the evening, that moisture cools fast. Wool keeps some warmth when damp; cotton keeps none. Tight boots make it worse by cutting…

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The sock system

Three or four pairs of wool hiking socks, rotated, plus one pair that never walks. Wear one pair, carry one drying, and keep the last pair dry for sleeping. Change into the dry pair at the lodge, not the next morning. Liner socks under the main pair are…

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Best overall

The three pairs that do a whole trek

Darn Tough Hiker Micro Crew Cushion

Take three pairs and you can wash one, dry one and wear one for a fortnight — the price per pair is high enough that people talk themselves into cheaper socks and regret it around day four.

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Darn Tough Hiker Micro Crew Cushion

Take three pairs and you can wash one, dry one and wear one for a fortnight — the price per pair is high enough that people talk themselves into cheaper socks and regret it around day four.

Not for: Nothing, honestly. If the budget is tight, buy two pairs of these rather than five of anything else.

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Warmest

The one thick pair you keep clean for the pass and the summit day

Smartwool Mountaineer Classic Over-the-Calf

The warmest sock worth carrying, and the reason people sleep through a night at Lobuche — far too hot for anything below 4,000 m, so it is a single dedicated pair, not your daily sock.

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Smartwool Mountaineer Classic Over-the-Calf

The warmest sock worth carrying, and the reason people sleep through a night at Lobuche — far too hot for anything below 4,000 m, so it is a single dedicated pair, not your daily sock.

Not for: Treks that top out below 4,000 m, or anyone whose boots are already a snug fit.

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If you buy through that link we earn a commission. It costs you nothing and it does not change what we recommend — the rental and advice-only entries in our gear guide earn us nothing at all.

Best blister prevention

Worn under the main sock, for people who blister between the toes

Injinji Liner Crew Toe Socks

Solves toe-on-toe rubbing that no amount of tape fixes; you have to accept an extra layer of warmth and the two minutes it takes to get them on.

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Injinji Liner Crew Toe Socks

Solves toe-on-toe rubbing that no amount of tape fixes; you have to accept an extra layer of warmth and the two minutes it takes to get them on.

Not for: You have never had a blister between your toes. Sort your boots first; this is a fix for a specific problem.

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The glove system

A thin liner glove and a warm mitt over it. The liner lets you use your phone, tie a lace and open a zip without exposing bare skin. The mitt goes on for cold mornings and the high days. Mitts are warmer than gloves because your fingers share their heat…

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Best liner

The glove you keep on to use the camera

Smartwool Merino Gloves

Thin enough to work a phone and warm enough for most walking mornings, and merino stays warm damp where fleece does not — completely inadequate on their own once wind gets up on a pass.

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Smartwool Merino Gloves

Thin enough to work a phone and warm enough for most walking mornings, and merino stays warm damp where fleece does not — completely inadequate on their own once wind gets up on a pass.

Not for: A cold pass crossing as your only glove. This is the inner half of a two-part system.

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If you buy through that link we earn a commission. It costs you nothing and it does not change what we recommend — the rental and advice-only entries in our gear guide earn us nothing at all.

Warmest

Summit-night hands, and nothing less

Outdoor Research Alti Mitts

The warmest thing you can put on your hands short of an expedition mitt, and useless for anything requiring fingers — which is why they live on a leash and come out for one morning.

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Outdoor Research Alti Mitts

The warmest thing you can put on your hands short of an expedition mitt, and useless for anything requiring fingers — which is why they live on a leash and come out for one morning.

Not for: A teahouse trek that tops out at 5,400 m. A midweight glove plus a shell mitt covers that and costs a quarter as much.

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If you buy through that link we earn a commission. It costs you nothing and it does not change what we recommend — the rental and advice-only entries in our gear guide earn us nothing at all.

When it really is the boots

If your boots are tight with a thin sock, they are too small for a cold trek. You need room to wiggle your toes with your thickest sock on. Boots also need to be broken in at home before you fly. Our boots guide covers fit and breaking them in. On our Everest…

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Keep reading

How to choose them and break them in. Why two merino tops is enough. The small things that make them bearable. The full checklist. The verdict: wool socks, rotated, one dry pair for bed, and two layers on your hands. Most cold feet end there.

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