Sandals, double adjustable upper straps Chunky treaded sole, padded footbed Princess Polly Lower Impact Upper 100%Water-based PU Outsole: 100% Rubber Height: 6cm / 2.36” Water-based PU is manufactured using an entirely water-based solvent, reducing the need for harsh chemical alternatives. Read more about our Lower Impact Range. WARNING: Click here to view California Prop 65 information.