SAXX has taken its best-selling boxer brief and enhanced it inside and out with life-changing functional features. Made with supersoft and naturally breathable materials, Vibe Xtra features innovative Stop Drop Technology®, No Ride Up Legs, a fly opening and a signature BallPark Pouch®. Functional fly Antiroll waistband stays comfortably in place BallPark Pouch provides friction-free support Stop Drop Technology breathable pouch liner keeps you dry all day Flat Out Seams™ keep the fit smooth and chafe-free Three-D Fit™ nine-panel construction maintains ergonomic shape without constricting No Ride Up Leg prevents bunching and pulling Moisture-wicking fabric engineered for dryness and comfort Imported Antimicrobial knit engineered to inhibit the growth of odor-causing germs 95% viscose, 5% elastane Machine wash, tumble dry