Under Armour brings compression to the sun and sea. Along with Iso Chill fabric thats cool to the touch, the Essential Compression Shorts stay put with a grippy silicone waistband and offer sun protection.. . . . . Part of Under Armours Hydro Armour Surf Collection. Nylon and elastane fabric blend. Iso Chill fabric helps disperse body heat, making it feel cool to the touch. Abrasion resistant, durable HeatGear fabric, designed to dry fast. Salt and chlorine resistant materials help prevent fading and wear. 4 way stretch fabric allows greater mobility and maintains shape. Anti odor technology prevents the growth of odor causing microbes. Silicone grip tape at waistband to prevent rollover. UPF 30 protects your skin from the suns harmful rays. Smooth flatlock seam construction for chafe free comfort. Inseam: 7.25 in. .