The Sierra has a long spring made of carbon fiber. This provides the user with a smooth gait in all activities. The amputees can walk easily on uneven terrain also due to its split toe design as it provides excellent inversion-eversion. It has a full length heel that helps in providing a stable base of support. This allows the amputees to walk comfortably. It comes with a 36 month warranty. It is rated up to 365 lbs. The foot fall is also enabled early in the gait cycle. The product improves the confidence of the users and ensures that they walk comfortably.
•Lightweight, energy-return design facilitates smooth, easy stride so users can walk farther, faster using less energy
•Simulated ankle motion provides a stable base of support throughout stance phase
•Foot is not pre-bonded to the foot shell, allowing access to the foot module and simplifying the use of heel wedges to improve alignment
•Six stiffness categories and low or moderate impact levels enhance customization to ensure ultimate comfort and stability
•Integral male pyramid attachment simplifies the fitting process
•Ideal for low to moderately active amputees weighing up to 300 lbs (136 kg), enhancing the range of amputees who can utilize this technology