The upper material made from Heritage canvas consists of 68% jute, a fiber that relies on rainwater to grow. The remaining 32% is made of cotton. A lightweight rubber provides durability, flexibility, and maximizes traction. Non-removable CloudBound™ foam footbeds offer all-day comfort and support. Velcro closure for easy on and off for kids. Elastic gore for a snug fit. Vegan. The height of the outsole is approximately 1.9 cm. As a certified B Corp™, we take pride in meeting standards for transparency, accountability, and social and environmental performance. Your purchase from TOMS contributes to the education, health, and well-being of children by providing kids around the world with the gift of a better future.