Totally new! Direct product for sale. Never used. Breathable Knitted Upper: The upper is made of knitted fabric with fine and breathable texture, which keeps your feet warm while preventing odor. It is dry and comfortable even if you wear it all day. High-density memory foam insole: Selected high-density memory foam, suitable for various foot types, provides support and cushioning, so that your feet can relax effectively. Non-slip waterproof sole: The non-slip texture allows you to use it in the bathroom. Adopt side seam technology, the bottom will not leak water. The TPR sole is wear-resistant, lightweight, soft and silent, suitable for indoor and outdoor use.