Teva - Spoiler 4 (Volcano) - Women's: Classic Teva strapping system, combined with waterproof suede, Universal support, and performance with laid back styling. Updated for 2006. Waterproof suede. Anatomically shaped EVA topsole. Microban zinc based anti-microbial protection. Compression molded EVA midsole. Encapsulated Shoc Pad in the heel provides greater spring with each forefoot push-off. Cross Terra 2 outsole that's comprised of River Rubber , and designed to provide the right balance of traction on loose terrain and surface contact on smooth surfaces.