Active Training Men's Bonded Tech Sleeveless Shirt : Its soft fabric and a construction using bonded side seams make this sleeveless top ideal for all your training sessions. Highly functional materials draw sweat away from your skin and help keep you dry and comfortable during exercise. Get ready for dry with dryCELL. Cell mesh ventilation in strategic places for improved air circulation. Bonded side seams for less friction and no chaffing. Drop back hem for coverage during exercise. Regular fit slightly fitted for an active fit. Soft heather fabric with high performance properties for ultimate comfort. 100% polyester.