K2 Foot

  • Specifically engineered for K2 patients

  • Unique flexible keel/multi-axis design

  • Flexible, impact reducing design

  • Roll-Over Shape (ROS) designed for a natural gait

  • Compliant dynamics for comfort and stability

  • Positive lock foot shell interface for stability

  • Simple, maintenance-free design

  • Foot comes assembled in foot shell for an easy, “out-of-the-box” fit

Featured Specifications

Functional Level


Pyramid (mm)



22 - 30 cm


Ti Pyramid

Patient Weight Maximum

365 lbs. (166 kg)


15.2 oz. (395 g)

Build Height

3.1 - 3.6 in. (78 - 92 mm)

Ordering Information

Custom colors are available as a special order with three weeks lead time. Please contact Fillauer Customer Service for more details. K2 Foot includes foot shell. The foot model recommendations on the selection chart are based on average patients engaged in normal activities. If your patient is more active than average or lifts heavy loads as part of a daily routine, then selecting the next weight category higher is advised. If you are not sure which foot to select, please consult with one of our technical service representatives.


  • 2 years from date of patient fitting

  • Foot Shell: 6 months from date of patient fitting

The K2 has been designed and manufactured for specific patient weights. Failure to follow the weight guidelines and/or overload conditions caused by the patient, such as heavy lifting, high impact sports, or abusive activities that would otherwise damage the natural limb, may void the warranty.

Additional Specifications

Heel Height (in.): 1.50 - 1.75

Patient Weight Minimum: 99 lbs. (45 kg)


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