100% Lycra Imported Heavy-duty impact shorts for biking and cycling that fit comfortably and discreetly under clothing In collaboration with BMX and mountain bikers, these breathable padded shorts were ergonomically designed for mobility and flexibility in extreme conditions Equipped with 10mm thick EVA foam pads on thighs, molded coccyx pad for tailbone protection, and a padded crotch to cushion the ride Available in four sizes to fit kids, youth, and adults: Small fits 26 – 30 inches, Medium fits 29 – 33 inches, Large fits 32 – 38 inches, X-Large fits 36 – 42 inches closure type: Elastic care instructions: Hand Wash. PLEASE MESSAGE US IF YOU HAVE ANY OTHER QUESTIONS, AND MANY THANKS FOR READING ALL OF THIS.