For the absolute ultimate warmth for your extreme weather adventures, the 8000M Suit from Marmot is the best of the best. The 800 fill goose down is blended with synthetic Primaloft insulation to provide maximum warmth for the least amount of bulk and...
The Absolute Zero Suit has 800 fill goose down with a Conduit SL laminate for warmth. Mountain Hardwear designed it for high altitude mountaineering.
The Power Stretch Suit by Mountain Hardwear is an expedition-weight baselayer designed to take the rigors of alpine climbing and high altitude mountaineering. Polartec Power Stretch provides exceptional moisture management and overlaid seat and knees...