XS 34" S 36" M 38" L 41" XL 43" 2XL 47" 3XL 51" 4XL 56" 5XL 61" 6XL 66". Size: XS S M L XL XXL 3XL 4XL 5XL 6XL. Fabric: 100% Organic Cotton EXCEPTMarls: 60% Organic Cotton 40% Polyester. Choose from a cast of incredible colours from solid shades in 100% organic cotton to marls in 60% cotton and 40% polyester.