95% Cotton, 5% Spandex Machine Wash Material: 95% cotton 5% spandex,Ultra soft cotton boxer briefs,Machine Wash,won't FADE and SHRINK If you are strong man, please choose one size up for more comfortable wearing experience Durable Waistband: Stay-put wide elastic waistband for all day long without experiencing tight or pulling, keeps its shape after extend use Comfortable Men's Underwear: Solid body with Smooth Flat Out Double Stitched Seams reduce chafing allowing contact-free support