The inner surface of the Blofield socks is made from specially developed Tactel polyamide, designed to be exceptionally soft and breathable. The outer surface is a flexible blend of polyamide and elastane. The result is an extremely comfortable sock that reduces the risk of chafing—similar to the effect of wearing two pairs of socks layered together.,The inner surface of the Blofield socks is made from specially developed Tactel polyamide, designe