Rhea Vepo Sandals Slip Resistant Comfort Premium Shower Beach Pool Flip Flops Brown leather-and-rubber Rubber sole Platform measures approximately .50" Strap Base: Leather outlining strap base provides smoothness between your toes. The strap base is also reinforced by a special fiber to provide additional resistance to tension. Outsole: Rheas patented worlds best non-slip outsole in matching color Midsole: Patented PU  By using the right amount of density, the midsole provides extra cushion. The design and pattern of the midsole provides additional grip and comfort to your foots pressure points. Band: Thermoplastic rubber band (TPR) - By using the highest quality TPR for the band, the VEPOs band provides excellent weatherability, flexibility, and outstanding ozone resistance.