Size Medium. Color Navy. J.Crew style BE059. PRODUCT DETAILS (per J.Crew): Greet the day, and any adventure, in our new super-versatile kayak short. Constructed with ECONYL, a 100 percent regenerated nylon yarn that's crafted with fishing nets pulled from the ocean and other recycled materials, these lightweight, quick-drying shorts are designed for everything on your docket. Hike, bike, paddle, swim, hang out—the fabric has UPF 50+ protection and the fit is comfortable for whatever comes your way. And, as an eco-friendly bonus, all of the fabric used in these shorts, from the mesh lining to the drawstring to the threads we use to sew them, is recycled. • Polyamide. • Elastic waistband with drawstring. • Machine wash. • Sustainable.