The Teva Tirra was designed specifically for a woman s foot to provide unmatched performance in the water Designed with comfort in mind the Spider Rubber outsole delivers uncompromised grip in wet environments while the in-heel Shoc Pad absorbs impact The Tirra s technical features include a webbing and synthetic upper neoprene foam an EVA midsole and a molded nylon stability shank The feminine strap configuration and multiple adjustment options provide a secure fit allowing the ladies Tirra tackle any obstacle in style