Reef Element Tqt Men's Sandals. Hit waves. Back to beach. Open bottle. Drink up. You have so much to accomplish. The REEF Element TQT is the flip flop for enterprising beach bums. With a synthetic upper, molded footed with arch support, a featherlight high traction outsole and a ready for anything built-in bottle opener.. Molded EVA footbed with arch support. Thirst Quench Technology (TQT) bottle opener on the botton of sandal. Lightweight EVA traction outsole.