Need a rise in Omega3 and B12 vitamins? Time to eat some fish! These wild canned sardines' socks are the finest and most delicious-looking version. These fun and comfy crew socks are packaged like a can of sardines. Unisex socks are made from a blend of 57.3% polyester, 19.5% metallized fiber, 18.2% polyamide and 5% elastane. One size fits most, machine washable, they reach to lower-calf on most and fit US size 5.5 to 11.5.