Nano Bamboo Charcoal Fiber Padding in Heel and Forefoot. Y Toe Gore Eliminates Bunching. Unisex Sizing: XS= Mens 4-6, Womens 5-7 SM= Mens 6.5-8, Womens 7.5-9 MD= Mens 8.5-10, Womens 9.5-11 LG= Mens 10.5-12, Womens 11.5-13 XL= Mens 12.5-15, Womens 13+
Nano Bamboo Charcoal Fibers release Far Infrared Rays that may promote blood circulation and anion production, which has health benefits. Nano Bamboo Charcoal is also a natural deodorizer. It's a sustainable, chemical-free way to take care of your feet.