Offers superior cushioning while standing, walking or running. The extra soft gel conforms and molds to the shape of the foot. Made with Isogel polymer, a shock-absorbing gel. The low-friction top cloth helps keep the foot cool & dry. The top cloth also has an anti-bacterial agent that helps reduce odour-causing bacteria. 140 mil thick, hand-washable and guaranteed not to break or leak. Approved by the American Podiatric Medical Association. One size fits all (GEL G1A)