Field & Stream CoolMax Outdoor Socks 4-Pack 39% Coolmax Polyester, 39% cotton, 16% Polyester Imported Machine Wash Non raveling and non binding welt top for added comfort knit-in elastic bands around arch of the foot can help stabilize and support your foot specialty toe design without excess fabric on ends of toe seam for a more comfortable fit Y heel eliminates excess fabric in the heel area promoting a secure fit cushioned sole - dense looped terry provides long lasting protective cushioning for the sole of the foot