The upper is made of 68% jute, a natural fiber grown with rainwater. The remaining 32% is made of cotton. RMAT outsole: A blend of high-quality rubber that provides softness, rebound, and durability. CloudBound™ insoles made of foam, removable and washable, for comfort and support all day long. Topper made of molded foam and a contoured footbed. Elastic V-gore for an easy fit. Outsole height: approximately 2.5 cm. As a certified B Corp™, we are proud to meet the standards for transparency, accountability, and social and environmental performance. Your purchase of TOMS contributes to the education, health, and well-being of children by giving kids around the world the gift of a better future.