Dual-layer fabric with an ultra-warm, brushed interior & a smooth, fast-drying exterior 4-way stretch material moves better in every direction Material wicks sweat & dries really fast Ribbed side panel for added stretch & comfort Generous ½ zip front makes for easy layering Built-in thumbholes help keep sleeves in place & trap warmth Raglan sleeves Fitted: Streamlined fit that’s not too tight or too loose.