Nylon Rubber sole EXCEPTIONAL QUALITY: Everelax women's sandals are crafted by hand using the highest materials, durable woven nylon cord by hand, flat soles are made from a vegan friendly highly durable rubber, light wight and anti-slip. ANTISKID OUTSOLE: Our women's sandals light weight, soft, and skid-resistant outsole gives you safe and secure footing and prevents from abrasion and slip. Eco-friendly certified. NO awful rubber smells. ADJUSTABLE DESIGN: Ideally suited narrow to medium size feet. When you first get them the straps were a little tight, but have confidence in the strength of the materials. The woven fabric straps are somewhat adjustable in that the straps overlay each other rather than being all connected into one piece. So you can move the placement of the straps to sit higher or lower on your foot. After the first wear they stretched to a more comfortable fit. You can walk long distances in them. PERFECT FIT: You can wear the sandals walking, hiking, in the water, on rocks, in the ocean, on the sand. They'll be very cute with jeans, leggings, shorts or casual dresses. Our sandalsare a great gift for young girls, teenagers or women and ladies of all ages. Quality Promised and 24/7 After-sale service.