Designed purely for attempts on the World's great peaks. The Expedition 8000 XT Sleeping Bags are made with a larger 'expedition fit' to allow the wearing of down clothing as required, available in Small/Medium & Medium/Large sizes.

The Expedition 8000 XT sleeping bags are appropriate for temperatures of -22 to -40°F.

The Expedition 8000 XT sleeping bags utilise the most advanced features to achieve maximum warmth even in the most severe extreme-cold conditions: Hydronaute XT laminated membrane fabric protects from exterior moisture while rapidly removing internal moisture vapour, vertical chest baffles lock down insulation in place for optimal warmth, a close fitting down filled hood with Hydronaute XT lining insulates your head while protecting down from moisture, a large boxfoot foot section with Hydronaute XT lining protects down from snow on your feet or booties, Mont's unique Cordless Collar System wraps comfortably around your shoulders and insulates better than traditional corded collars, and interlocking down-filled draught tubes protect from cold air creeping through the zip.

Down distribution: 55% canopy 45% base
Large boxfoot section accommodates the wearing of inner boots or down booties
Cross block baffles on torso prevent down shift between canopy & base
Radial Arc Baffle System on horizontal baffles maximises baffle loft height & warmth
Differential cut reduces compression & cold spots
Box walled chambers for warmth
Twin interlocking down-filled draught tubes along zip retain heat
Durable laminated Nylon anti-snag shield along zip
Contoured hood with down-filled muff
Unique Cordless Collar System wraps efficiently around shoulders without the need for fiddly and uncomfortable drawcords
Drawcords across chest and at top of hood
Recessed drawcords provide comfortable, warmth retaining closures
Tuck stitched seams: a construction method that conceals the stitch inside the sleeping bag thereby protecting it from abrasion and snagging. Tuck stitched seams are also more water resistant than top-stitched seams
Sewn with hydrophobic Epic thread to prevent moisture from wicking along seams and inside the shell
Toaster Pocket in boxfoot for air-activated heat pack
Full length YKK side zip with dual sliders
Includes siliconised-Nylon mechanical advantage compression stuff sack & 50L / 3,051cu.in polyester storage sack with printed care & washing instructions