FABRIC: Made of polyester and spandex. UPF fabrication protects your skin by blocking harmful UVA and UVB during outdoor sport. Quick-drying, high-elastic and breathable.Elastic closureSIZE: Small(fits like US 4-6), Medium(fits like US 8-10), Large(fits like US 12), X-Large(fits like US 14), XX-Large(fits like US 16). Please read our size chart and product video before purchasing. Thanks!FEATURE: High waisted and elastic waistband of this swim shorts make you look more attractive and flattering. The built-in briefs make you comfortable to wear, also won’t slide down or get looser when it’s wet.MANY OCCASION: Stretch board shorts provide great freedom of movement, perfect for swimming, surfing or other water sports, also hiking, biking, running, yoga, pilates, gym workout, any type of exercise and fitness-related activities.EASY MATCHED: The swim short is perfect to pair with swim top, bikinis, tankini tops, rash guard or yoga top.QUALITY GUARANTEE: Tournesol specializes in the development of high quality swimwear. Dedicated to providing you with quality service.