Easy to put on and take off, Eco-friendly These Stan Smith shoes are made from recycled materials in accordance with adidas commitment to zero plastic waste. The outsole material uses discarded rubber to recreate the iconic style to a full vegan specifications. Instead of shoelaces, it is equipped with a Velcro strap for easy on and off. Great for rushing out and when you want to release your tired feet from your shoes at the end of the day. This item uses PRIMEGREEN, which eliminates animal sources and instead is one of the high-performance recycled materials.