**Manufacturer is experiencing 1-3 week production delays for some sizes. Alps HD Gel offers stability and firmness of silicone with the comfort of gel Below-Knee and Above-Knee sizing available Ideal prosthetic liner when transitioning from a silicone liner Designed for medium to high activity levels Engineered for athletes who require a firm surface to pivot and make quick transitions Firmness of High Density Gel helps maintain the shape of residual limbs with excessive loose skin, especially along the bottom Available in 3mm and 6mm uniform thicknesses Outer premium knit covering limits elongation and reduces pistoning Latex free and hypoallergenic Black Color Locking pin is not included *Not vacuum approved as a replacement for the gel liner initially provided with your Vacuum System SPDTHD/SPFRHD Made in USA Sold individually in a polybag SIZE CIRCUMFERENCE (centimeters) 16 16-19 cm 20 20-23 cm 24 24-25 cm 26 26-27 cm 28 28-31 cm 32 32-37 cm 38 38-43 cm 44 44-53 cm The Alps Superior Performance Liner HD (High Density) is available in two different gel formulations, HD Gel and Grip Gel. Alps formulated this prosthetic liner with HD Gel to meet the needs of weekend warriors, those transitioning from a silicone (vs. gel) liners, and anyone with excessive redundant skin along the bottom of their limbs.  Alps' HD Gel is formulated to provide extra firmness for added control and stability. The high density nature of HD Gel helps to protect your limb by reducing any friction and shear stresses experienced within your prosthetic socket. The Superior Performance Liner's premium seamless knit fabric limits pistoning and vertical stretch, providing a more secure fit when in combination with HD Gel's unwillingness to overly stretch vertically. The seamless knitted outer fabric has a chic look and its durability helps extend the life of your prosthetic liner. The Alps Superior Performance Prosthetic Liner is available in both cushion and locking, and offers sizing for AK limb loss. If you replace your current liner please ensure your current liner is either 6mm or 3mm uniform thickness. Read our Prosthetic Liner Guide for more information on prosthetic liners. Materials Alps HD Gel: Thermoplastic Elastomer (TPE) Gel Directions for Use Prior to applying your Superior Performance Liner make sure your residual limb is clean, dry, and free of any soap residue. Cover any open wounds and non-intact skin with a product similar to Spenco. Alps states to avoid using any type of animal based lotions or powders on your residual limb or liner. These products may damage your Alps Liner. Invert your Alps prosthetic liner so that the logo is on the inside. Place the end of your liner against the end of your limb. If using a pin lock liner, center the pin attachment on the bottom of your limb. Carefully roll your prosthetic liner onto your limb. ***Warning: Do not pull your liner onto your limb. Pulling the liner may stretch the skin and result in an uncomfortable fit and possible skin issues along the edge of your liner. Last, make sure that there are no wrinkles or air pockets between the liner and your limb. Air pockets cause excessive sweating. Care Instructions Proper hygiene is critical when wearing any prosthetic liner. Your Superior Performance Prosthetic Liner must be thoroughly cleaned each day and disinfected once a week. Clean the gel side of your Superior Performance liner using lukewarm water and a pH balanced prosthetic cleanser. Apply your prosthetic cleanser with a clean, soft cloth or sponge. **Warning: Do not scrub your liner on either the fabric or gel sides. Rinse your Superior Performance Liner with water and dry it with a clean and lint-free cloth. Place your Alps Liner on a drying stand with the logo on the outside. Once a week spray the gel side of your liner with ethyl alcohol spray and wipe clean with a lint-free soft cloth. Last, rinse any alcohol from your liner with water and dry again using the above instructions. Precautions Do not place your Alps Superior Performance Liner on an open wound. If irritation, discomfort or poor circulation occurs, discontinue use and notify your physician or Prosthetist immediately. Do not wear a Superior Performance for more than 20 hours daily. This Superior Performance Liner is not indicated for any amputee who has a skin condition which can be aggravated when covered by a non-porous gel material. Above knee prosthetic users should not wear this prosthetic liner if their residual limb is shorter than 3 inches, unless a secondary AK Belt is used.