Celia Ruiz Wallaby is a unisex slipper made to suit a wide range of men's and women's sizes. Breathable mesh fabric upper with wide width for extra cushioning Made with Resistex® silver - a yarn produced by coating nylon monofilament with a layer of 99.9% pure silver Resistex® silver is antistatic, 100% natural and non-toxic, heat regulating and antibacterial The innovative concertina-fold tongue allows the slipper to open up wide for easy entry of the foot An adjustable hook-and-loop strap at the instep ensures the right fit Suits a high instep Bamboo and silver thread hypoallergenic fabric lining has antibacterial properties Insole can be swapped out for a custom orthotic High-density rubber sole for flexibility, high abrasion resistance and slip resistance