The name says it all. If you are looking for an insole that delivers an optimal performance under extreme cold conditions, this is the one. The soft and rugged top cover is made a quick dry merino wool blend fabric, ideal for temperatures of 30 degrees and below.
The mid construction of the insole uses a dense memory foam that self custom forms to the foot with use. Final assembly takes place in Lowell, MI, USA.
Ideal use for: Waterproof boots, waders, rubber boots, hiking hunting and scouting footwear. Best used in temps below 30 degrees.