75.7% Nylon, 24.3% Spandex, UPGRADED stretch, softness, breathability Drawstring closure Machine Wash Upgrade Knited Stretch Fabric: Puts comfort and freedom of movement first, 4 way stretch fabric doesn't restrict your motion, so you can move easily on your adventures Lightweight & Quick Dry: Weight only 0.66 LB (size S ), which is a key benefit on backcountry trips where every ounce matters. Quick dry fabric pulls moisture away from the body quickly Sun Protection: UPF 50+ fabric shields you from harmful UV rays, helps you ready for sun-soaked adventures 4 Pockets: 2 zip hand pockets keep your 6.7" cell phone secure, 2 cargo pocket at thig hold your trail essentials like snacks、keys Occasions: Flat and elastic waistband sit comfortably just above the waistline, drawstrings to help you dial in the fit. These durable nylon/spandex blend joggers will give great abrasion resistance for the hiking, running, workout, golf, etc