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.Anti-odor technology prevents the growth of odor-causing microbes.Ergonomic design keeps seams off of high abrasion areas.Mock neck construction for added coverage & warmth.Dropped, shaped hem.Style :1366066.87% Polyester/13% Elastane.Imported.Machine wash cold with like colors.Use only non-chlorine bleach when needed.Do not iron.Do not use softeners.Do not dry clean.