Karma “Good Vibes” no-show socks with colorful theme patterns. One size fits most & "no-slip grip". These socks have a small amount of elastic that conforms to the foot as well as the heel is lined with rubber. The 3-pack of green, gray, & white socks with various designs makes it fun & easy to mix and match - no need to be boring! Materials: 71% Cotton, 18% Nylon, 8% Polyester, 2% Spandex, 1% Rubber