Uncompromising boxfoot sleeping bags designed for alpine conditions. The Spindrift XT 850 is available in Standard & Extra-Large Sizes & is appropriate for temperatures of 9°C to -2°C.

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 & shell fabric providing marked improvements in function & performance.

Mummy shape with boxfoot for maximum efficiency
Down distribution: 55% canopy 45% base
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 hood facing
Unique Cordless Collar System wraps around shoulders without the need for a fiddly and uncomfortable drawcords
Drawcords across chest and hood drawcord at top of hood
Recessed drawcords provide comfortable, warmth retaining closures
Toaster Pocket in boxfoot for air-activated heat pack
Sewn with hydrophobic Epic thread to prevent moisture from wicking along seams and inside the shell
Tuck stitched seams for superior seam strength, seam durability & water resistance
Full length YKK side zip with dual sliders
Includes siliconised-Nylon mechanical advantage compression stuff sack & 50L / 3,051 cu.in polyester storage sack with printed care & washing instructions

Specifications

  • Intended Use Expedition, Alpine
  • Season Rating 4 Season
  • Cold Sleeper 9°F / -13°C
  • Warm Sleeper -2°F / -19°C
  • Shell fabric Japanese made Hydronaute XT™ 15D + 40D (fabric + ripstop) PU laminated
  • Waterhead 20,000mm
  • Moisture Vapour Transmission Rate (Breathability) 20,000g/m2/24hrs
  • Lining fabric Ultralight silk-touch 15 denier downproof Nylon
  • Standard size weight 850g fill, 1430g total
  • Women's size weight 1lb. 14oz. (850g) fill, 3lbs. 1.4oz. (1400g) total
  • XL size weight 2lbs. 1.5oz. (950g) fill, 3lbs. 8.4oz. (1600g) total
  • Standard/Women's compressed size 8.3x11 inches (21x28cm)
  • XL compressed size 9x11.8 inches (23x30cm)
  • Down rating 825-850 loft premium RDS white duck down
  • Down treatment Water resistant DWR Loft treatment
  • Zip side Left side
  • Zip configuration Side zip only. YKK brand zip with dual sliders
  • Colour Charcoal/Fiesta Red/Black