ExOfficio Give-N-Go Sport Mesh Hipkini 92% Nylon / 8% Lycra Spandex | 93% Nylon Machine Washable Ultralight mesh is breathable and quick drying, keeping you cool Active fit and lower rise are ideal for high energy activities Flatlock seams and smooth fabric waistband prevent chafing Antimicrobial treatment reduces odor in fabric Stretch-to-fit