The Heritage canvas upper is made of 68% jute, a fibre that relies on rainwater to grow. The remaining 32% is cotton.RMAT outsole: A blend of premium rubber that provides softness, rebound, and durability.Removable and washable CloudBound™ foam insoles for all-day comfort and support.Memory foam and moulded arch support.Elastic V gore for an easy fit.The outsole height is approximately 2 cm.As a certified B Corp™ company, we take pride in meeting their standards of transparency, accountability, and social/environmental performance.Your purchase TOMS contributes to the education, health, and well-being of children, providing kids around the world with the gift of a better future - better tomorrows.The TOMS fit true to size and are only offered in medium width. We recommend ordering your usual size. If you are generally between sizes, we suggest taking the smaller size, as the TOMS will soften slightly as you wear them.