Cariloha Men's Crazy Soft Ankle Socks - Buy 3 Get 1 Free Simply add 4 pairs of socks to your shopping cart, and the discount will be added automatically! Our new sock construction have fantastic arch support and seamless toe. The natural properties of bamboo make these socks odor resistant and moisture wicking. S/M: Size 7-10, L/XL: Size 10-13. 85% Viscose from Bamboo / 10% Elastane / 5% Nylon