When heels are just not an option, try on the ultra comfortable womens KEEN Kaci slip on casual . The versatile shoe features waterproof leather uppers with leather lining, removable metatomical EVA molded footbed and a non-marking rubber outsole for great grip on any terrain. Waterproof leather upper.; Leather lining.; Removable metatomical EVA molded footbed.; Compression Molded EVA midsole.; Non-marking rubber outsole.; .