The Lathrop & Sons Non-Typical boot insole transforms your favorite hunting boots into a high-performance cold-weather system, using a unique 3D skive process and insulating foams to trap heat and protect your feet from frigid temperatures. Designed for knee-high rubber boots, waders, and bulky pack boots, this insole provides comfort and warmth for serious whitetail hunters, waterfowl hunters, ice fishermen, or anyone facing extreme cold during outdoor activities. FeaturesLS-Foam Insulating BarrierAir Trap 3D SkiveMoisture Wicking Nylon CoverLightweight and BreathableTreadheavy Stability PlateArch SupportDeep Heel Cup