Train Hard Work Out Motivational Weight Lifting 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 5 colors to choose from. Fitness, work out, weight lift, martial arts t shirt. Lightweight, Classic fit, Double-needle sleeve and bottom hem