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|Mock neck construction for added coverage & warmth - Style #: 1366072|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