The Under Armour Base 3.0 Legging delivers aggressive warmth even in extreme cold conditions. Rugged 92% polyester, 8% elastane ColdGear fabric dries quickly to keep you drier, lighter, and more comfortable than ever before. An ArmourBlock antimicrobial treatment helps reduce odors, ensuring that you stay fresher longer. The thermal grid interior traps heat in tiny pockets for long-lasting warmth. Lightweight, four-way stretch construction offers improved mobility and maintains its shape. Ergonomic flatlock seams help reduce chafing and allow for easy layering. This essential baselayer bottom features a wide, flat waistband that sits just right on your hips. 30” inseam. Fitted design. Imported.