It allows users the full use of their arms and hands to do all the things they normally do- shopping, playing with the kids, working with ease. The iWALKFree supports the knee and upper leg using a universal, ambidextrous fastening system that allows for almost any adjustment for user height and leg size, from 5' to 6'. Designed to be comfortable, lightweight and compact, the iWALKFree is easy to assemble. 4 simple parts, constructed of UV-resistant and hypoallergenic materials, snap together and replicate the natural human gait as closely as possible. Users find it painless, safe and easy to learn. It provides high performance rehabilitation for sports medicine, fracture care mobility, and below-knee amputations. Weight capacity, 300 lbs.