Lightweight Insulation
Features
Equivalent to 400 grams of insulation without the weight, thickness, or bulk
Wind-proof, and breathable
Paper-thin
Revolutionary space-aged aluminum technology – goes from a solid to a gas, back to a solid
Can use non-insulated patterns
Greatly reduces overall weight of the boot
Highly technical visual two-tone look
Waterproof option also available (HBR® Retain)