Dual-layer fabric with an ultra-warm, brushed interior & a smooth, fast-drying exterior. Stretch-mesh back & underarm panels provide strategic ventilation without sacrificing warmth. 4-way stretch construction moves better in every direction. Material wicks sweat & dries really fast. Ergonomic design keeps seams off of high abrasion areas. Dropped, shaped hem. Material: 87% Polyester/13% Elastane. Imported. Machine wash cold with like colors. Use only non-chlorine bleach when needed. Tumble dry low. Do not iron. Do not use softeners. Do not dry clean.