The mcdavid 430 adjustable ankle support is a popular product designed to fit from a womans size 5 to a mans size 14 ankles it has all the features and benefits of a basic neoprene support but also includes figure 8 straps that help you adjust the level of support you require over the ankle ligaments as well as provide added stability support and compression this adjustable thermal neoprene ankle support with straps has nylon facing on both sides and velcro closures