Dual-layer Cold Gear fabric gives you an ultra-warm, brushed interior & a slick, fast-drying exterior Lightweight, 4-Way Stretch construction improves mobility & accelerates dry time Superior Moisture Transport System wicks sweat to help regulate body temperature Elastic waistband stretches easily for highest comfort Nylon/ Polyester/ Elastane This ultra-tight, second-skin fit delivers a locked-in feel that keeps your muscles fresh & your recovery time fast.