Briefs in the Wild: The Camping and Hiking Guide

Chafe ends more walking weekends than sprained ankles do. The best underwear for hiking and camping, why loose boxers fail on the trail, and what to pack.

By Keith · 22 April 2026 · 3 min read

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Ask any long-distance hiker what ended their worst day on a trail. It's never the rain, and it's rarely the boots. It's chafe. The slow, hot, miserable friction that starts as an itch at kilometre eight and finishes as a limp at kilometre twenty. And chafe, in almost every case, is a fabric problem. Specifically, it's a loose fabric problem.

This is where the brief earns its place in the rucksack.

Why loose underwear fails outdoors

Walking is repetition. Twenty thousand steps a day, each one dragging any spare fabric across the same patch of skin. A loose boxer under a hiking trouser is a machine for generating friction: the leg rides, gathers into a damp rope at the crease of the thigh, and rubs with every stride. Add sweat, add a hill, add hour six, and you have the injury that ends more walking weekends than sprained ankles do.

A snug brief has nothing to gather and nothing to drag. The fabric moves with the skin instead of across it. This isn't a style argument out here. It's the same logic as a good sock: fitted beats loose everywhere that friction lives, and below the waistband is where friction lives.

The camp argument

Camping adds a second problem: washing. Whatever you carry has to be rinsed in a stream or a campsite sink and dried on a guyline. A brief uses half the fabric of a boxer, wrings out in a few squeezes, and is dry by morning. Pack three pairs for a week: wear one, dry one, spare one. That rotation has served walkers since walking holidays were invented, and it only works with briefs. Travel Light: The One-Bag Case for Briefs

Cold nights, for the record, are what the sleeping bag is for. Nobody was ever kept warm by a boxer short.

What to pack

The trail pair: a technical brief in merino or a modern synthetic. Merino resists odour over multiple wears, which matters by day three under canvas. Synthetics dry faster on the line. Either way you want flat seams and a proper pouch. merino hiking brief · technical trail brief

The camp pair: a soft cotton or modal brief for the evening, when the boots come off and comfort takes over. This is the one you'll sleep in if the night is warm. modal brief

The wildcard: a dark swim-adjacent brief, because the best moment of any camping trip is the unplanned swim. Lake, river, sea: you're always ready, and it dries on a branch in an hour. swim brief

Three pairs, well under 200 grams for the lot. The boxer equivalent weighs more, dries slower and chafes sooner. There's no version of the calculation where the rectangle wins outdoors. The rotation does assume the rinsing actually happens, which after a wet day and a late camp it sometimes doesn't, so a fourth pair sealed in the lid of the pack and never touched earns its few grams. The Emergency Pair: A Tribute

A note for the sceptical

If you've hiked for years in boxers and think this is fuss over nothing, try one experiment. Next long walk, one brief on one day, your usual pair the next. Same route, same boots. Pay attention at the top of the thigh around hour four. That's the whole argument, made by your own legs, and it's more persuasive than any blog. Making the Switch: The 14-Day Brief Plan

The mountains don't care what you wear. Your skin does. Choose briefs and go further.

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