UA Baseâ„¢ 2.0: Versatile mid-weight layering for cold conditions. Thermal grid fabric traps heat in tiny pockets for long-lasting protection. Quick-dry construction wicks moisture to keep you drier, lighter, and more comfortable. Lightweight, 4-way stretch construction improves mobility and maintains shape. Anti-microbial technology fights odors to keep your gear fresher, longer. Wide, flat waistband with a rise that sits just right on your hips. 30" inseam. 4.9 oz. Polyester/Elastane. Imported.