ALPS Flex Sleeve (SFX) is made with a seamless knitted construction in HD Gel to provide maximum comfort. The SFX has a 30° pre-flexion which allows for ease of bending of the knee and reduces bunching behind the knee.

ALPS Flex Sleeve has the following features:

Features a 30° pre-flexion
HD Gel provides active amputees a great degree of control
Available in 3mm uniform thickness
Available in one length that accommodates most users