Insulated with ethically sourced, odor-resistant Merino wool that even retains warmth when wet, AriatTEK® Merino Socks are the perfect socks for keeping out the cold. Targeted heel and ankle bone protection and cushioning where the rider needs it. AriatTEK Merino Socks Product Features : Temperature regulating for all-season comfortArch support with breathable mesh wrap, Targeted heel and ankle bone protectionAugmented toe and foot pad cushioning TEK Merino Socks in Black Grey, Size: XSSmall Regular by Ariat