Full Description
The Mountain Equipment Helium GT 400 Sleeping Bag is designed for adventurers who demand both comfort and performance on long-haul trips. Perfect for side sleepers and those who appreciate a little extra room to move, the Helium GT series features a significantly more generous yet tapered fit, ensuring superior comfort without compromising on warmth or compressibility. Crafted with sustainability in mind, this sleeping bag is made from 100% recycled, fluorocarbon-free fabrics, offering an eco-conscious choice for extended road trips, backpacking, and multi-season travel. Whether you're navigating cooler spring nights or summer adventures, the Helium GT 400 delivers reliable warmth and exceptional packability, making it a versatile companion for any journey.
Lightweight yet durable, the Helium GT 400 combines practicality with premium features. Its 90-10 Pure Duck Down insulation (449g, 700 fill power) ensures excellent warmth-to-weight ratio, while the slanted box-wall baffles and anatomically shaped hood and foot-box enhance thermal efficiency. The full-length Gemini zip baffle with Lode Lock closure and integrated neck collar provides added protection against drafts, ensuring a snug and comfortable sleep. Supplied with a waterproof roll-top stuff sack and storage cube, this bag is as convenient as it is high-performing.
Mountain Equipment Helium GT 400 Features
- 100% recycled HELIUM 20D outer shell is very light and highly breathable with fluorocarbon-free DWR
- 100% recycled Supersoft 20D lining fabric with fluorocarbon-free DWR
- 449g of 90-10 Pure Duck Down with a minimum fill power of 700
- GT fit
- Slanted box-wall baffles and stitch-through baffles
- Mid-level side seams
- 5 baffle anatomically shaped hood
- 4 baffle anatomically shaped and offset foot-box
- Full length Gemini zip baffle with 140cm zip and integrated neck collar with Lode Lock closure
- Waterproof roll-top stuff-sack and storage cube
- Good Nights Sleep Guaranteed -5°C
Size Guide
| Size | EN Comfort |
EN Limit |
EN Extreme |
Inside Length |
Inside Width |
Inside Foot |
Max User Height |
Fill | Fill Weight |
Total Weight |
Packed Size |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Reg | 0°C | -6°C | -24°C | 192cm | 82cm | 60cm | 185cm | 90-10 700 Duck Down | 449g | 890g | 22cm x 19cm x 17cm |
| Long | 0°C | -6°C | -24°C | 207cm | 82cm | 60cm | 200cm | 90-10 700 Duck Down | TBC | TBC | TBC |
Please note Extreme temperatures are at the point of danger to health.
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