Air Jet Spun Yarn = softer feel and no pilling. Double-needle stitching. 1 x 1 athletic rib with Spandex. Quarter-turned to eliminate center crease. Available in exactly the same colors as the popular 18500. 26 colors available. Also available in childrens sizes. Weight - 270g/m². Fabric - 50% Cotton 50% Polyester Preshrunk. Size (to fit ins) S (20in), M (22in), L (24in), XL (26in), 2XL (28in), 3XL (30in), 4XL (32in), 5XL (34in).