Build an effective three-layer system for any cold weather activity. Get material recommendations based on temperature, activity level, and conditions.
Regulates temperature, odour-resistant, comfortable against skin. Slower to dry than synthetics. Excellent for multi-day trips.
Dries quickly, lightweight, cheap. Retains odour after repeated use. Best for high-output activities where sweat management is key.
Excellent warmth-to-weight ratio. Breathes well during activity. Not windproof — needs shell on top. Dries instantly.
Unbeatable warmth-to-weight when dry. Useless when wet unless treated (DWR/hydrophobic down). Best for cold, dry conditions and camp/belay.
Retains warmth even wet. Slightly heavier than down but more versatile in variable or wet conditions. Good all-rounder.
Waterproof, windproof, breathable. Blocks all precipitation. Necessary in heavy rain or wind. Heavier than softshell.
Wind-resistant, highly breathable, stretchy. Better comfort during high activity. Not fully waterproof — insufficient in heavy rain.
Waterproof but less breathable than Gore-Tex. Fine for casual use and occasional exposure. Can feel clammy in high-exertion activities.