A classic take with a new and improved look, the Boatbar Swim Trunks, were created with 100% polyester microfiber, with an elastic waistband and an internal draw cord, mesh liner. Specs 100% polyester Elastic draw string waist, mesh brief liner Sublimated volley swim short UPF 50 STYLE #M228 18" outseam, 7" inseam Model is 5'10" 170 lb. Size L Classic fit, built for comfort