The unique design of these crutches allows them to work as a system of specialized features. Upper-body leverage combines with the spring release to return positive energy back to the patient. It is designed to reduce impact on the wrist and underarm, reducing nerve damage and carpel tunnel syndrome. The In-Motion Pro comes in 3 sizes that can fit any user approximately 4'6" to 7'2". Available in 4 different colors (Charcoal Gray, Metallic Blue, White, and Electric Red).