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The Under Armour Men’s UA Base™ 3.0 Crew delivers serious warmth without the bulk in a softer, better‑fitting package. This all‑purpose baselayer is built for hiking, skiing, training, and anything else the cold throws at you. The smooth, stretchy fabric wicks sweat, dries fast, and moves easily under layers, while the updated material is softer and smoother for next‑to‑skin comfort. With built‑in thumbholes, raglan sleeves, and midweight insulation that adapts to a wide range of activity levels, this sleek crew is ready for any weather.
Because it delivers dependable midweight warmth, fast‑drying performance, and a smoother, more comfortable fit—making it a go‑to baselayer for cold‑weather training and adventure.


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