Streamlined trunk offers athletic support and breathability High tech microfiber fabric is moisture wicking Ultimate performance gear--layer under workout clothes for any activity Low rise, waistband falls below natural waistline Contour pouch lifts for support and definition Tagless for extra comfort Seamed to prevent legs from rolling up The Calvin Klein Pro Stretch Reflex Low Rise Trunk is sleek, stylish underwear that can make your workout even better. The luxuriously soft microfiber fabric does triple duty: first, it provides athletic support by stretching to form a smooth fit on your body. Then the length protects your legs from rubbing and chafing. Finally, it wicks away moisture to keep you cool and dry. The smooth fit keeps a low profile under pants, and wears comfortably under all types of workout gear. Wear the Calvin Klein Pro Stretch Reflex Low Rise Trunk any time you need to perform your best, from cycling, spinning, to a routine workout at the gym. Or wear it everyday for comfort and support anybody can benefit from. Materials: 90% nylon, 10% spandex