Saucony Men's Freedom Sleeveless Top 83% Polyester, 11% Tencel Lyocell, 6% Spandex Imported Innovative Freedom Jersey fabric with drirelease technology provides superior wicking and faster drying Drirelease technology is free of chemicals and offers a patented blend of water-repelling and water-absorbing fibers VENTLITE mesh back panel offers maximum strategic ventilation Athletic fit sleeveless transitions from run to gym to cross-training with enough length to keep you covered, with chafe-free flat lock seams