Clarks Tri Alexia Sandals Using a grooved Flex 3 outsole which follows the natural volume curve & movement of the foot, we've really embraced the sports luxe trend with this athletic sandal. Thick crossover straps & breathable linings add comfort while a sporty riptape strap fastens behind the heel. The effortless sporty style. Outer Black, : Leather Inner Black, : Suede Sole Black, : Rubber Fastening: Riptape Narrow = Clarks C/ Standard = Clarks D/ Wide = Clarks E/ Extra Wide = Clarks EE