Scuba T-Shirt: Learn To Scuba Dive, Because Zombies Can't Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester Imported Machine wash cold with like colors, dry low heat Scuba T-Shirt: Learn To Scuba Dive, Because Zombies Can't Swim Shirt Ronin Scuba Shirts Lightweight, Classic fit, Double-needle sleeve and bottom hem