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Ultra 0-Degree Down Sleeping Bag Ultra 0-Degree Down Sleeping Bag Ultra 0-Degree Down Sleeping Bag
Ultra 0-Degree Down Sleeping Bag
The lightest down sleeping bag for nights down to the zero degree limit

No scale data available.

Average weight
550g (Medium), 600g (Large)
Fill weight
275g (Medium), 295g (Large)
Fill
850+ cuin/oz European Goose Down (US 90/10)| RDS certified| OEKO-TEX® 100 certified
Fits to
180cm (Medium), 195cm (Large)
Foot width
Inside: 48cm (Medium and Large)
Inner
Recycled 10D ripstop nylon, OEKO-TEX® 100 certified, DWR free
Outer
Recycled 10D ripstop nylon Pertex® Quantum, PFAS free, bluesign® approved
Shoulder width
Inside: 74cm (Medium), 75.5cm (Large)
Temp rating
6°C (Comfort)
2°C (Limit)
minus 13°C (Extreme)
Length
203cm (Medium), 218cm (Large)
Rolled size
25 x 15 x 15cm (Medium), 30 x 17 x 17cm (Large)
  • Lightest construction with recycled Pertex® Quantum made entirely of recycled polyamide
  • Components such as the zip and webbing are made of recycled PET bottles
  • Downshift function for enhanced heat distribution: the all-round, H-shaped down chambers allow the down to be 'shaken upwards' as required and the sleeping bag to be adapted to the respective temperature conditions
  • Extremely light, very small pack size with passive draft collar
  • Lightweight material and box-baffle construction
  • Optimised fit provides better insulating performance
  • Tuck-stitch seam technology for enhanced durability and moisture protection; multiple fabric layers stitched together and tucked away create stronger seams
  • Contoured hood and plush draft collar to keep body heat in
  • Adjustable elliptical draft collar nestles around the neck, minimising draft and heat loss
  • Thick draft tube provides excellent heat retention
  • Anti-snag stiffener ensures smooth zip operation
  • Differential cut (liner is shaped smaller than the shell) for optimal down lofting and comfort
  • 850 fill European duck down 90/10, sourced from producers that do not live-pluck or force-feed the birds
  • 3D triangular footbox with 11 individual down-filled baffles eliminates cold spots
  • Glow-in-the-dark zip pulls
  • Bartack reinforcements where necessary for enhanced durability
  • Two-way zips increase flexibility and allow for temperature regulation
  • Infoprint inside the bag provides technical information including temperature ratings
  • Comes with a waterproof stuff sack and mesh storage bag
  • Loops at the foot end so you can secure your bag while airing without risk of it being blown away by wind
  • Part of Exped's Fast and Light Series
  • This product meets bluesign® product requirements, which means materials and components have been selected that adhere to rigorous environmental and social criteria during production
  • Carbon neutral: Exped measures, reduces and fully offsets CO2 from manufacturing and shipping this product through myclimate
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Trek -1 Down Sleeping Bag Trek -1 Down Sleeping Bag Trek -1 Down Sleeping Bag
Trek -1 Down Sleeping Bag
Versatile and spacious bag with ULTRA-DRY Duck Down perfect for vehicle-based travels and overnight camping
Smart Buy Down Filled Water Resistant Recycled
Packability
Ultra Compact
Compact
Mid Size
Warmth
Summer
Multi-season
Alpine
Weight
Ultralight
Lightweight
Midweight
Average weight
1119g (Regular), 1253g (Long)
Fill weight
380g (Regular), 437g (Long)
Fill
ULTRA-DRY Duck Down 650+ Loft, RDS certified
Fits to
185cm (Regular), 198cm (Long)
Foot width
65.5cm (Regular), 71.5cm (Long)
Inner
20D recycled polyester with a non-PFC DWR finish
Outer
20D recycled polyester
Shoulder width
79cm (Regular), 84cm (Long)
Temp rating
3°C comfort rating woman / minus 1°C Lower comfort rating for men; Temperature rated in accordance with ISO 23537-1:2022
Compression
13 Litres (both sizes)
  • Semi-rectangular fit: Spacious and generous, a roomy fit to give you room to move inside the bag, regardless of your sleeping position
  • Sustainable construction with 100% recycled bluesign®-approved 20D polyester shell and lining, a PFC-free water-repellent coating and RDS down
  • 650+ Fill Power, RDS-certified, 85% Down Cluster Premium Duck Down with ULTRA-DRY Down treatment for improved water resistance in damp conditions
  • Free Flow Zip System for reliable, snag-free operation, to provide superior ventilation and allow the bag to be used as a comforter/quilt:
    • Primary zip: full-length #5 zip with zip-plow and two sliders
    • Secondary zip: half-length #5 zip with zip-plow and two sliders
    • Foot box zip: #5 with two sliders
    • Vertical chest baffles, horizontal baffles lower half and base, box wall baffle construction throughout
    • Shaped hood and oversized zip draft tubes to seal in warmth and keep cold out
    • Fitted front draft collar: scalloped over the neck and oversized at the shoulders
    • Internal pocket for phone / GPS / valuables
    • QuiltLock System allows Sea to Summit quilts to be locked into place over the top of the Trek, giving you modular and versatile sleeping bag
    • Form a snug double sleeping bag by zipping to any women's Sea to Summit sleeping bags
    • Includes lightweight Ultra-Sil compression bag and storage cell