~Scarpa Says~ 

Equipped with a dense Intuition Foam construction and specifically tailored to the anatomical shape of your feet, the Pro Flex Performance Liner from Scarpa is a reliable replacement for the Maestrale RS model. This liner offers increased warmth and moldability for an improved fit, featuring an elastic instep strap and heel inserts. For easy installation, this liner includes a double pull tab and lace tabs, so you can be sure your feet will remain comfortable after long hikes and steep climbs.