"Superior replacement for your insoles changing in cold winter.
The top layer of the insole is made from genuine high quality Lamb's wool.
The middle layer is made of 100% real sheepskin.
The bottom layer is a felt sole.
It is an ideal shoe inserts for rain boots and snow boots and any other winter shoes. The soft and cozy lamb's wool keeps the body temperate; the real sheepskin promotes better air circulation; the felt sole blocks the cold from outside.
Wool insoles build up a warm and cozy environment inside your shoes and provide your feet all day comfortable."