M&B insoles, polar felt. Mens, size 9
M&B insoles, polar felt. Mens, size 9.
This insulating cold-weather insole is made up of 2 layers. A felt layer traps heat and cushions the foot. At the base of the insole is a woven layer of felt and aluminum that prevents heat loss and guards against dampness. Protects against temperatures of up to -25’C.