VIIHAHN Men's Flip Flops Summer Beach Sandals Extra Large Size Arch Support Slippers Importado Rubber sole Orthotic arch support and Flex Grooves: Nubuck footbed with arch support, helps improve your gait, and ease foot pains from plantar fasciitis. Built-in grooves for flexibility, can strengthen the forefoot of the elasticity and responsiveness, when the legs naturally bend, the shoes will follow the bend. Light Weight & Non-Slip: Weight Only 320g. Very Flexible. Soles is made of Synthetic Material. Make sure the sole is easy to bent, curled and wear-resistant slip. Wave patterned outsole helps you step safely on wet, slippery surfaces Comfortable and Soft: The mid sole is made of EVA material which make sure your feet feel comfortable and soft. Moreover, we had widen the sole to make sure it is wide enough for your feet. Design: Combine classic style with fashionable design,enjoy the comfort and sets trends at the same time,Easy on/off and open-toe 15 days 100% return guarantee.Any problem,Please email us,we will reply you soon!Please compared the chart size in the description with your feet length carefully before ordering!