found at Wild Earth
The Spindrift XT 850, available in Standard, Women's & XL sizes, is an uncompromising sleeping bags designed for alpine & extreme cold conditions: Backcountry camping, polar expeditions & high altitude mountaineering. A unique Cordless Collar System, vertical baffles for insulation efficiency & new shell fabric providing marked improvements in function & performance. The Spindrift XT series replaces the Specialist Boxfoot Series, with the Spindrift XT 850 model replacing the Zeal & Telemark models.