Crafted from stretch woven material, it offers comfort and flexibility for ease of movement. It also has Solar-Factor 50+ UPF and quick-dry fabric. Stretch Woven Nylon/Polyester/Spandex Heathered Pongee Solar-Factor 50+ UPF Wicking and Quick Dry Zippered Pocket for store-and-go storage Gusseted Crotch for Ease of Movement Perfect Hybrid short for on and off-the-water Specs 75% Nylon, 13% Polyester, 12% Spandex Machine wash cold delicate cycle with like colors, Do not bleach, Do not use softeners, Tumble dry low, Remove promptly, Cool iron if needed Sizing and Fit Model is 5'10" and 195lbs. He is wearing size Large. Fits true to size.