The Hanes Men"s Flannel Pajama Sleep Set is quite possibly the perfect pair of flannel pajamas! The sleep set is made of 100% soft cotton. The long leg flannel bottoms have buttons so that you may adjust the size. For added comfort the elastic waistband is covered with fabric. The long sleeve button down top has 4 buttons and one front pocket. Available colors include: Black Plaid, Blue Plaid and Green Plaid. Unfortunately, not all plaids are available in all sizes. Sizing is as follows: Small (chest 34-36/waist 28-30), Medium (chest 38-40/waist 32-34), Large (chest 42-44/waist 36-38), Xlarge (chest 46-48/waist 40-42), 2X (chest 50-52/waist 44-46).