Our t-shirts are 100% cotton and machine washable (Please wash garment inside out).

Chest sizes:

S 34-36" M 38-40" L 42-44" XL 46-48" 2XL 50-52" 3XL 54-56" 

Ladies: S 8 M 10 L 12 XL 14 2XL 16 3XL 20