ExOfficio Men's Give-N-Go Brief, Hemlock, Medium 94% Nylon, 6% Lycra Spandex Imported Antimicrobial treatment reduces odor in fabric to keep you feeling fresh Breathable mesh allows for airflow, helping you feel cool and comfortable Durable fabric and comfortable waistband keeps its shape and resists stretching Easy-care fabric means you'll only need to bring two for any trip 94% Nylon/6% Lycra Spandex