Bottoms

Meet the all-new UA Base—delivering the same trusted warmth without the bulk—now softer and smoother than ever for unmatched comfort on every adventure.

Meet the all-new UA Base—delivering the same trusted warmth without the bulk—now softer and smoother than ever for unmatched comfort on every adventure.

Meet the all-new UA Base—delivering the same trusted warmth without the bulk—now softer and smoother than ever for unmatched comfort on every adventure.

Meet the all-new UA Base—delivering the same trusted warmth without the bulk—now softer and smoother than ever for unmatched comfort on every adventure.

Meet the all-new UA Base—delivering the same trusted warmth without the bulk—now softer and smoother than ever for unmatched comfort on every adventure.

Meet the all-new UA Base—delivering the same trusted warmth without the bulk—now softer and smoother than ever for unmatched comfort on every adventure.

The UA Base 3.0 Women's Leggings are built to keep you warm, dry, and comfortable through a wide range of cold-weather activities. Featuring midweight insulation, this baselayer is ideal for all-season wear in chilly conditions. The wide, flat waistband...

Meet the all-new UA Base—delivering the same trusted warmth without the bulk—now softer and smoother than ever for unmatched comfort on every adventure.

Meet the all-new UA Base—delivering the same trusted warmth without the bulk—now softer and smoother than ever for unmatched comfort on every adventure.

They're light, durable, comfortable, and ready to take on anything.

The UA Base 2.0 Men's Leggings are designed for high-activity performance in cool conditions. This lightweight and flexible baselayer features a soft, brushed grid interior that traps air to manage your body’s microclimate, keeping you warm and...

Meet the all-new UA Base—delivering the same trusted warmth without the bulk—now softer and smoother than ever for unmatched comfort on every adventure.