The North Face Women's Base Camp Lite Flip-Flops Synthetic Imported Synthetic sole Platform measures approximately 0.25 Durable flip-flop sandal Upper: Water-friendly, synthetic strap with soft jersey lining 2 mm SBR strap padding provides superior comfort 100% recycled P.E.T. webbing toe post Injection-molded EVA footbed/outsole construction eliminates weight and increases comfort