OLUKAI Nohea Perf - Womens Comfort Shoe Basalt/Tapa - 8 Synthetic Rubber sole Detachable footbed allows customized orthotics to be inserted. Suede-lining makes these shoes extremely comfortable even without socks. Rubber bottom is designed for maximum grip on a number of different surfaces. Upper features a mesh pattern that enables optimal breathability. Available in women\'s sizes 5 - 11.