80% Polyester, 20% spandex. Breathable, quick-dry, stretchy & no-pilling Drawstring closure Hand Wash Only Breathable Fabric: 4" hiking running shorts made from 4-way stretch and moisture-wick fabric, lightweight but not thin, bringing low-friction and cool feeling while exercise.【Warm tips】If you prefer loose one, a size bigger might fit you better. Flat Elastic Waistband: Womens sweat shorts use comfy, wide elastic waistband stays flattering, won't cut into squishy belly fat. Adjustable drawstring for a custom fit 2 Pockets: Workout shorts with side pockets for your essentials, cell phone, key, card or cash Approx 4" Inseam won't ride up, flowey loose legs design provide plenty range of motion, It's a great choice for summer Perfect for hiking, running, yoga, casual summer lounging, travel, workout, walking, gym fitness and any athletic activities