Perfect fit for anyone who prefers a non-binding sock. It has just the right amount of elasticity to stay up comfortably. Alpaca fibre naturally wicks moisture from the skin, keeping yur feet dry and discouraging skin irritation. The expandable top is especially designed to be non-binding and to promote healthy circulation. ... Please contact us with the order.......Coming Soon: Our service provider is working to incorporate an secure online payment service. Until such time we thank you for your patience.