Nike Men's Pro Hyperwarm Lite Fitted Mock 88% polyester Imported Machine Wash Dri-FIT 88% POLYESTER 12% SPANDEX Dri-FIT Max fabric wicks sweat to keep you drier, faster. Back and underarm thermal mesh for breathability. Knit construction for a soft feel and striped look. Workout with warmth, without overheating in Nike Pro Hyperwarm Dri-FIT Max Fitted Mock Men's Long-Sleeve Shirt. Its body-skimming fit features 3-D structured Dri-FIT Max fabric for fast sweat evaporation and thermal mesh for breathability.