These men's/unisex WMX 3-Pack Walking Mini-Crew socks from Thorlos are constructed with acrylic and nylon material for a great fit. Midweight padding in the ball and heel cushions and protects against shock, impact and shear forces. THOR•LON® throughout the body of the sock wicks moisture, keeps feet drier and reduces blisters. Lightweight lace padding with added spandex at instep and arch provides a more comfortable fit and ultimate support. Running Protection Level 3® is designed to help protect your feet from the damaging effects of impact, shear and blistering common to running/jogging.