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Down Hugger 800 Half Length #5 Unisex





Price ¥15,800 +TAX






Actual color may vary.


Product Description

By adopting a classic tailor's trick, using only the best materials available, and re-imagining a trusted mountaineering concept, Montbell has brought unparalleled comfort and thermal efficiency to minimalist backpackers and alpine climbing enthusiasts with our Down Hugger Half Length Series.

The lower portion of the bag offers ample room for movement by incorporating our Super Spiral Stretch technology (US.Patent NO. 7,900,301) that deftly draws the 800 fill power goose down closer to you, while eliminating drafty dead spaces. To insulate the upper body, pair a Half Bag with one of the many Montbell down jackets available and utilize the ultra-light nylon top collar to seal in body heat. Better manage temperature and comfort by opening the foot zipper to release build up body heat and moisture throughout the night.

The beauty of the Half Length Series is pure versatility. First, users are able to extend the utility of an item already carried into the backcountry; the down jacket. Second, we offer 2 different loft options allowing users to tailor their sleep system to the season, region or climate frequented. Finally, users can personalize the system with down garments of varying thickness to accommodate for individual thermal requirements. This modular approach puts you in control.

The construction of the Half Length #5 is based on the thermal profile of the Down Hugger 800 #5. This equates to a moderate lower bag suitable for summer and warmer season usage. Of course, with a modular system like this, layering effectively will be paramount to being able to rest comfortably. In order to protect your upper half from the cold, you’ll need to be wearing an equally thick down jacket. Jackets in the Montbell lineup that would pair well with the Half Length #5 would be; Superior Down Parka, Plasma 1000 Down Jacket and EX Light Down Anorak.


Material: 20-denier Ballistic® rip-stop nylon
Weight: 331g(351g) (weight with stuff bag)
Compressed sizes: ∅11×22cm(1.8L)


About the material: EX Down

World class, high quality down
Montbell's premium down comes from water fowl that live in regions with seasonal temperature extremes. The down balls from birds in such regions are characteristically much larger.
Large down balls hold more warm air, which translates to needing less down to provide exceptional warmth retention.

Lightweight yet warm
When compared by weight to lower quality down, an equal amount of premium down is loftier and has better warmth retaining properties.

Super Spiral-Stretch System

Click to enlarge the image

Offering sweet dreams with superior stretch and comfort for all shapes and sizes

By orienting the fabric’s warp and weft threads at 45 degrees to most major seam lines the sleeping bag becomes more fluid or elastic in nature. Additionally, to create an even more comfortable system we utilize an elastic stitch technique to create small “gathers” in the quilting. By combining the strategic seam orientation and the elasticized gathers we offer unrivaled fit and comfort.

About Ballistic Airlight

Ballistic Airlight is made using the same nylon polymer as our Ballistic material and a highly technical production process to create extremely fine, super thin threads. These threads are then woven into ultralight, gossamer fabrics that share the same characteristics as Ballistic: one and a half times more abrasion resistance than other similar weight fabrics and boasts three times the tear strength of nylons that are almost 20% heavier. Additionally, Ballistic Airlight is often woven using different techniques to create fabrics with radically different characteristics, such as fabrics that allow the garment to stretch or fabrics that "breathe" to release built up heat and moisture.


Woven fabrics typically do not stretch vertically or horizontally without the utilization of heavy elastic materials. However, when stressed along the diagonal the same fabric will show stretch characteristics.

Care Information

Washing Instructions

Laundry symbols


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