These socks provide unmatched comfort and performance. With Coolmax® for wicking, nylon and rubber for strength, and spandex for comfort, this sock is an integral part of the Shock Mitigation System® technology. Our socks have 12 zones of varying compression and fabric blends for increased blood circulation, heat reduction, added stress relief, comfort, and resiliency. At 5.11, we put a lot of engineering behind even the smallest things we make to help you perform at your best. Imported.