Woof! This dog t-shirt is a great accessory to suit up large dogs in style. The 100% cotton fabric is breathable and easy to wash. Double-needle ribbed binding on neck, leg holes and bottom hem ensures durability. Size recommendations for weight class: XL = 46-70 lbs, 2XL = 71-85 lbs. Made from 100% combed 1x1 baby rib ringspun cotton with a fabric weight of 5.0 oz.