ExOfficio Give-N-Go Sport Mesh 3IN Boxer Brief-Men's Phantom 92% Nylon / 8% Lycra Spandex, 94% Nylon / 6% Lycra Spandex Imported Ergonomic flyless panel constructed from classic diamond weave mesh fabric for support Contrast flatlock seams and smooth waistband prevent chafing Ultralight mesh is breathable and quick drying, keeping you cool Snug active fit and lower rise are ideal for high energy activities Antimicrobial treatment reduces odor in fabric