Pro Agua X Boxer Briefs are an active boxer brief made from 100% post-consumer recycled plastic bottles. BN3TH's new Pro Agua X fabric is more durable and breathable than ever and they've added a thicker no-roll waistband so they stay put all day, every day. Of course, they offer the Original 3D Pouch Technology which means no more shifting or adjusting throughout the day. Men's boxer brief Slim fit with no fly 6.5" inseam Original 3D Pouch Pucker Panel gusset to contour to your body Moisture wicking Shrink free breathable mesh Seamless pucker pouch 1 3/4-inch luxury knitted waistband 100% post consumer recycled plastic bottles 90% recycled polyester, 10% spandex Size Guide: S = 30-32" M = 33-35" L = 36-38" XL = 39-41"