Note: Manual measurement has an error of 1?2cm/0.4?0.8in. specification: Item Type: Foot Drop Orthosis_x000D_Material: Nylon, Polyester, Polyurethane, Polyethylene, etc._x000D_Size: S:35-37 190-220mm/7.5-8.7in, M:38-40 221-250mm/8.7-9.8in, L:41-43 251-280mm/9.9-11.0in, XL:44- 281mm/11.1in_x000D_Scope of Application: Foot Muscle Weakness, Foot and Ankle Varus or Valgus Caused by Foot Drop and Hemiplegia Caused by Peroneal Nerve Palsy, Sequelae of Pediatric Anesthesia, Gulambarre Syndrome._x000D__x000D_The Principle of Half Palm: the Position to Be Corrected to Correct Foot Drop is the Ankle Joint. Only the Ankle Joint Can Be Corrected, the Foot Can Be Flexible and Light. Therefore, the Half Palm Foot Rest Reserves Space for the Patient's Foot when Walking to Ensure Foot Talar Movement and Gait Be Stable and Avoid Foot Drop Causing Wrestling and Aging Feet. Features: 1Correct Posture: When walking, you can hold up the soles of your feet to improve your walking posture. 2Maintain Balance: Maintain the balance of biological force lines, correct ankle varus or valgus. 3Easy To Put On: The foot drop orthosis is lightweight and can be easily put into shoes. 4Easy To Use: Both sides of the double sided buckle can be opened, which is convenient for patients with hemiplegia. 5Material: Safe material, does not hurt the legs, has good flexibility, and is not easy to deform. PackageList: 1 x Foot Drop Orthosis 2 x Gasket 2 x Round Hook&Loop 5 x Strip Hook&Loop