Saxx Blacksheep Long John Fly Merino/Spandex BallPark&trade; Pouch construction with 3D hammock-shaped for contact-free support 3D shaping around glutes, thighs, quads and hamstrings Flat Out Seams&trade; put the flatter and softer sides of the seam against the skin for no-chafe comfort Finest technical fabrics blended to suit needs: spandex, polyester, Modal, viscose, nylon, merino wool or cotton