They appear to be your typical beach flip-flops from the top. Below, they include our ultra-lightweight, pressure-diffusing iQushionTM midsole technology, which is biomechanically built. Consists of impact pillows for the ball of the foot and heel, high-rebound air foam that holds its cushioning, and a molded arch curve for innate walking support. To help prevent toe grabbing, anatomically constructed straps secure the sandals to your body. Put a pair of these sparkling micro-"crystals" versions in your suitcase, and you'll find yourself wearing them to the bar, the beach, and other places. Both non-slip and waterproof