ExOfficio Men's Give-N-Go Boxer 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;Fit :Stretch to fit Easy-care fabric means you'll only need to bring two for any trip