Are your pair of Karu slippers a bit tired on the inside or feeling looser on your foot than you like? Upgrade your comfort level with a cozy woolen insole, simply choose the size matching your pair and slip them in - your feet will thank you!

This Karu insole is made from a layer of refabricated wool, glued on to a layer of latex foam. It will offer you comfort to and will allow your feet to breathe. The Karu insole can be used in the Cosy, Cuddles and Oskie slippers.

Available in UK sizes 3-13