Zensah has developed a truly innovative ankle support. Designed by an athletic trainer this is the first ankle support to provide Pin-Point Compression, which gives you the support in the ankle where you need it the most, while not restricting your range of motion like other ankle supports may. Made with Zensah Fabric, the ankle support is breathable and is designed to relieve ankle pain and keep uncomfortable swelling down. The ankle support is non-neoprene. and non-latex The Zensah Ankle Support is proudly made in the USA and ships as a single unit. Ankle Support Sizing (Men): S/M: Shoe Size 6-11 L/XL: Shoe Size 11 and up Ankle Support Sizing (Women): S/M: Shoe Size 7-12 L/XL: Shoe Size 12 and up.