X socks run fast running socks mens these x socks run fast running socks mens feature an air conditioning channel made of fine constructed mesh which ventilates and the foot and leg running socks air conditioning channel air guide toe protector toetip protector anatomically shaped footbed x cross bandage heel protector traverse airflow heel system x socks branding technical compression 57 skin nodor 23 nylon 12 mythlan 4 rodur material 57 polyes