US Air Force Military Lounge Sweatpants and T-Shirt Gift Set Gray 100% Cotton Elastic closure Military Lounge Sweatpants and T-Shirt Gift Set - US Air Force Medium Sweatpants fit 31"-35" waist; T-Shirt (38-40) Large Sweatpants fit 35"-39" waist; T-Shirt (42-44) X-Large Sweatpants fit 39"-43" waist; T-Shirt (46-48) XX-Large Sweatpants fit 43"-47" waist; T-Shirt (50-52)