Anecdotes Catalonia IV MenSplash proof & Durable Nylon Cloth & Microfiber Leather Upper Nylon cloth provides good wrapping, water repellency, and a comfortable wearing experience. The texture of microfiber leather is strong enough to build a sleek appearance with a good support property, stains can be easily rubbed with a rag. Comfy Wide Fit Bionics Foot shaped Design Loose toe box is great for bare foot use, granting ultimate freedom and relaxation to your walking experience.