Marine Layer Stretch 6 Swim Trunk in Navy & Blue Stripe. Size M (also in S). Self: 97% recycled polyester 3% spandex Lining: 92% polyester 8% spandex. Machine wash. Elastic waistband and drawstring. Side pockets with single rear pocket. Patch detail at hem. Shorts measure approx 17 in length. MLAY-MX11. 1250105131145.