Zoot Sports Men's Tri Ali'I Tank Body: 80% Polyester, 20% Elastane, 240Gm2 Inset: 79% Polyester, 21% Spandex, 256Gm2 Imported Sublimated Italian fabric ensures the very best in moisture management, comfort and durability Cam Lock zipper for controlled venting Back pockets Dropped back hem for enhanced coverage Seamlink stitch to minimize chafing