Arcticshield as cw extreme bib overalls product features onyx arcticshield cold weather extreme waterproof insulated bib overalls. Extreme warmth at its most nimble! Loaded with 180 grams of effective thermal insulation combined with arcticshield heat retention technology a thin thermal layer that captures and returns up to 90% of your body heat the cold weather extreme bibs represent the pinnacle of non-bulky warmth!Arcticshield