Be yourself with the sport socks ULTIMATUM 3 PACK Nike Performance brand which are composed of 37% cotton, 30% nylon, 30% polyester and 3% elastane. Be seduced by the lace of these sports socks ULTIMATUM 3 PACK.Respirant: yes Sport: fitness Composition: 37% cotton, 30% nylon, 30% polyester, 3% spandex