The Official Cool Kids Go Rock Climbing T-Shirt 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 This t shirt is perfect for rock climbers who love the outdoors and nature. Makes a perfect gift for the rock climber in your life. Order now! Lightweight, Classic fit, Double-needle sleeve and bottom hem