Designed in Japan, these are unique SUBUs. They are a combination of indoor and outdoor slippers. Black SUBUs. Durable and comfortable enough for everyday routines, they are robust enough for outdoor terrain. These all-black pairs are particularly versatile, with multiple layers of cushioning deep within the foundation, making you feel like you're walking on clouds. Internally, the plush, raised fabric allows for a supremely soft step, while externally, ripstop and Teflon coating protect these slippers from wear and tear, as well as water. Slip-on Quilted upper Raised insole with 4 layers of cushioning Teflon coating Comes with a shoe pouch Water-resistant Machine washable Upper: Nylon Lining: Synthetic Sole: Rubber