Indi-Go Sockless! If you have an affinity for softer socks, these Indigo FLAT SOCKS are the real deal. They feel as good as they look; soft, cozy, cushy, giving a much more natural feel underfoot. If you want the feel of a soft wool sock while freeing your feet and going sockless, these are your FLAT SOCKS. Top Fabric Material: 100% polyester microwoolshop all microwool FLAT SOCKS