Cascade - Orthotic & Prosthetic Supplier

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ALPS Extreme AK/BK Gel Liner


The Extreme Liner offers 80% less vertical stretch, which allows users to experience more control and stability during increased activity. This liner is formulated with ALPS GripGel or High Density Gel, which both contain properties that help facilitate the donning process as well as reduce pistoning and bunching behind the knee.

  • Limited vertical stretch reduces movement of redundant tissue
  • High circumferential stretch to assist with form fitting
  • Wider distal end for ease of donning
  • Available in two different thicknesses: 3mm uniform, 6 mm uniform
  • Offered as both a locking and cushion liner
  • Offered with GripGel or High Density Gel

Purchase a General Purpose Liner and receive a Sleeve (SFP/SFPHD/SFR/SFS/SLE/SFK/SFB/SFBHD) for $40 or VIVA sleeve for $50.

Sold each.
Manufacturer Recommended HCPCS: L5673 (locking), L5679 (cushion)