The Zensah Ankle Support ships as a single unit. Zensah has developed a truly innovative ankle support, creating a new generation of ankle support. The ankle support was designed by an athletic trainer. The ankle support the first ankle support to provide Pin-Point Compression. Pin-Point compression 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 Seamless construction of the Zensah Ankle Support provides pin-point compression zones. The Zensah Ankle Support is proudly made in the USA 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