Mens Patterned Short Sleeve Shirt and Shorts Pajama/Nightwear Set 65% Polyester, 35% Cotton Mens two-piece patterned pajama set. Includes short sleeve shirt and matching shorts. Button up front and chest pocket on shirt. Elasticated waist on shorts. Sizes (to fit chest): M - 40in, L - 42in, XL - 44in, XXL - 46in.