Happyfun Assist Knee Power Walker - Joint Leg Support Exoskeleton for Elders, Hiking Stair Climbing Aid Neck Support For Sports  (black)

Wearable lightweight design: Adopts wearable structure, balances support stability and wearing lightness, no cumbersome feeling during long-term work/training Polyester fiber, provides comfortable joint & leg support Aids walking, hiking, stair climbing, supports joints & legs, sports protective accessory Size 51×1×30cm, gross weight 200g, easy to package Applying the principle of natural walking. The human hip and knee are like two pendulum oscillators. Human walking not only relies on leg muscles, but also requires natural. This way, humans can walk more efficiently with lower energy