Marmot 8000M Down Pant - Men's - $449.95

The Marmot Men's 8000M Pants provide the high-loft warmth you need to visit the highest, coldest places on earth. The combination of MemBrain waterproof breathable shell and incredibly warm 800-fill insulation make these expedition-grade bibs ideal for places like Everest, K2, or the South Pole. The 8000M Pant's full-length side zips make quick changes easy while wearing boots and crampons, and the reinforced seat and knees give you the kind of durability you need for gnarly ascents. Marmot made the 8000M Pant with baffled construction and an insulated draft tube to eliminate cold spots. Stuff the 8000M Pants in their internal stuff sack for easy storage on your way down from base camp. - $449.95