The HappyFeet Plantar Fasciitis Silicone Heel Sleeve is made from light weight medical grade gel silicon ewhich is designed to provide ultimate comfort while with additional benefits. The sleeve provides compression to alleviate the symptoms of plantar fasciitis and helps to provide better blood circulation in your feet. This will help to reduce muscle fatigue from standing for long periods of time. The soft silicone material is a perfect shock absorbent material from heel strike and will help to prevent heel spurs that often follows plantar fasciitis. The stretchy design makes them unisex and one size for men and women. One of the added benefits of the gel silicone cushion is they also soften foot calluses and moisturize your heels. Fits easily into most shoes and will provide comfort all day. Breathable Orthotic Socks Cushion, Support and Protect Your Heels