From Keen, the Rivington CNX women's flats feature:

• full-grain leather/split leather upper
• reverse Strobel construction
• crisscrossing elastic Mary Jane straps
• canvas lining
• metatarsal ridge for a natural fit
• contoured arch for added midfoot support
• proprietary lightweight polyurethane midsole compound for long-lasting support and comfort
• KEEN.ZORB footbed for a streamlined interior
• non-marking rubber outsole