Alpha® SmartTemp Silicone Uniform Liner

SmartTemp Silicone combines medical-grade silicone with the heat management technology of Outlast®. Utilising this phase change material (PCM) – originally designed for NASA – the liner regulates heat by responding to skin temperature fluctuations, delaying the onset of sweat. The liner releases the stored heat as the body cools down, stabilising the skin temperature. Maintaining this temperature balance can lead to a drier, cooler and thus more comfortable socket all day.

Features and benefits

  • Outlast technology regulates socket heat and stabilises skin temperature
  • Reduced sweating
    • Can help reduce tissue break down
    • Can improve suspension
  • Low flow prevents silicone migrating away from sensitive areas
  • High rebound maintains original gel shape
  • Suitable for medium to high activity levels
Interface Material: Smarttemp Silicone
  • Alpha Hybrid Liner
Product price
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Product Part Number: T35 Category:


Uniform Profile

The uniform profile is retrofittable with most liners on the market. This means that a user can upgrade to receive the benefits of Alpha interface materials, without having to change their socket.

  • 6mm thick distal end
  • Thins to 3mm posterior to knee

Select Fabric with panel

The Select fabric is WillowWood’s most durable and comfortable offering. By combining two distinct materials, it offers support, compression and flexibility. To prevent pistoning, the majority of the fabric has unidirectional stretch, meaning a distal matrix is not required. This allows easy donning and accommodation of volume changes without the need for a new liner. To reduce shear stress over the patella, there is a multidirectional stretch panel over the knee which improves comfort in flexion.

Features and benefits

  • Unidirectional stretch – eliminates pistoning without a distal matrix
  • Multidirectional stretch – reduces shear over patella
  • Increased durability
  • Can accommodate volume fluctuations

Standard Umbrella

The standard umbrella has a standard diameter of 68.6mm on all sizes.

Additional information

Interface Material

Smarttemp Silicone

Amputation Level


Outer Fabric


Suspension Type

Locking – Standard Umbrella, Cushion


Uniform mm


Temperature regulation


Extra Large, Large, Large Plus, Medium, Medium Plus, Small


Alpha Liner Manual

Alpha Liner Size Guide

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