Kamal Ohava(tm) Dri-Cool Athletic Tees are the perfect tee for the active man. The moisture wicking fabric can handle your hardest workouts - keeping you dry and cool. Tees are lightweight, roomy and breathable. Made of 100% Polyester interlock. Machine wash cold with like colors. Sizing (inches): Chest: XS = 32-34, S = 35-37, M = 38-40, L = 41-43, XL = 44-46, 2XL = 47-49, 3XL = 50-53, 4XL - 54-57.