The K2 Sensation® with Unity® features a flexible full-length fiberglass keel, designed to promote user confidence and stability. The multi-axial function is intended to mimic natural movement and provide a smooth progression from heel strike to toe off. The Unity pump module creates a sleeveless elevated vacuum solution with zero added build-height.Full length toe leverMulti-axial ground complianceSpectra sock includedThe Ossur® Unity™ Sleeveless Vacuum System requires:Unity™ pump module warranty 24 months from invoice dateIceross® Seal-In® Liner (optional)Unity™ Valve Kit (purchased separately, see Accessories)K2 Sensation® foot and shell (included)Unity™ pump module (included)

K2 Sensation® with D/P Flexion is designed to be a walking prosthesis and features a full-length fiberglass keel. It has a smooth progression from heel strike to toe-off. K2 Sensation® is designed to increase confidence and stability. The hydraulic ankle module offers the K2 Sensation 9 degrees of dorsi and plantarflexion during stance phase to help improve stability on ramps and when transitioning from sitting to standing. Swing phase dorsiflexion is designed to reduce the risk of trips and falls. Full length toe lever Multi-axial ground compliance Hydraulic dorsiflexion and plantarflexion Spectra sock included