The First Ascent Blue Wolf Sleeping Bag Large is a serious sleeping bag designed to cope with serious environments for taller explorers
If you’re a serious explorer, you’ll need gear that’s up to the challenges of extreme environments. The First Ascent Blue Wolf Large sleeping bag is a down filled sleeping bag that’s been Mt. Everest tested to meet the needs of serious adventurers. This large version of the sleeping bag is 10cm longer and 8cm wider than the standard model to accommodate taller adventurers than the standard model. This sleeping bag is comfort rated to -15°C and extreme rated to -40°C, so you can get some proper shut-eye even when mother nature is displaying her dark side.
The First Ascent Blue Wolf sleeping bag features differentially cut 3 dimensional construction for maximum loft and overfilled chest and foot areas to ensure that you stay warm where you need it. The twin collar baffle provides excellent heat retention while the built in cowl and oversized inside hood ensures a snug fit to keep you cozy. The outer shell of the sleeping bag has a water resistant coating for protection.
All this warmth won’t weigh you down though; the down filling is natures lightest and best form of insulation. Being a natural product, it is the best performing high loft insulation on the market. It is warmer, lighter and more compact than any other insulation and effectively traps body heat to keep you warm.
TEMPERATURE RATING

Comfort
Based on a ‘standard woman’ having a comfortable nights sleep.
Transition
Based on a ‘standard man’ as the lowest temp. to have a comfortable nights sleep.
Extreme
A survival rating for a ‘standard woman’. This is an extreme survival rating only and it is not advisable for general use.
Features
- Differentially cut (outer is cut bigger than inner) 3-Dimensional construction
- Overfilled chest and foot sections
- Built-in cowl and oversized inside hood ensures a snug fit
- Twin collar baffle for maximum heat retention
- Tested on Mt. Everest
- Shell fabric: 40D 290T Mini R/S Nylon with white milky coating 3K/3K (breathability and waterproof).
- Lining: 50D 320T Micro Poly D/P by construction.
Specifications
- Weight: 2.64 kg
- Packed Size: 22 X 39 cm
- Dimensions: 240 X 90/60 cm
- Best Use: Camping, Hiking
- Cowl: Yes
- Comfort Temperature Rating: -15°C
- Transition Temperature Rating: -25°C
- Extreme Temperature Rating: -40°C
- Fill Description: Down 92/8 ratio
- Fill Power: 650 Fill Power
- Zip Type: YKK Pull Zips











