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Ultralite Sleeping Bag -10°C (field test rated -7˚)

Ultralite Sleeping Bag -10°C (field test rated -7˚)

Out of stock

Versatility is defined by the Ultralite so it's little wonder this is our most popular bag. Continuous baffles enable down to be shifted from the topside of the bag to the bottom of the bag. If your wintering in Katoomba or summering in the central highlands of Tasmania the UltraLite is a good choice for varied climates. With a 150cm shoulder girth this efficient bag is field tested to -7°. The full down collar helps to seal in heat around your neck without adding excess bulk, and 454g of high lofting down pumps this bag to 13cm. The total weight of this very compressible package is only 820g.



Single Draft Tube

The Ultralite features Western Mountaineering's innovative and specially designed draft tube to bolster the bags insulation. A draft tube is a down-filled tube that passes alongside the main zipper. The purpose of the draft tube is to prevent heat from escaping out through the zipper. The Ultralight features a single draft tube that is sewn in an inch from the zipper to ensure the zipper doesn't catch.

Inner and Outer Fabrics

High density rip-stop nylon is featured on the outside while a soft nylon taffeta lines the inside of the bag. The high density nylon outer fabric prevents the escape of rogue down feathers while also providing some wind protection. The outer nylon is treated with Durable Water Repllent (DWR) that resists water entering the bag allowing moisture and condendsation to bead off the material. DWR does not make the bag waterproof only water resistant.

Horizontal Baffle Construction 

The Ultralite down insulation is sewn to sit in continuous rows perpendicular to the length of the bag. The continuous rows of down mean the insulation can easily manipulated and shifted to accomodate changing positions. In warmer conditions, the down can be shifted to the underside for a cooler night's sleep, however when the mercury drops the down can be shifted onto the topside for increased warmth. allows the Ultralite

Full-Length Zipper 

Adding to the versatility provided by the horizontal baffle construction, the Ultralite features a full-length zip. The zipper allows the user to vent the bag in warmer conditions whilst keeping it zipped up and toasty in the cooler months. 


EU Temperature Rating: -10ºC

Field Test Rating:  -7ºC

Shell: Extremelite™
Insulation: 450g, 850+ Loft Down
Weight: Std: 820g

Shape Size 
EU Rating Field Test Rating Loft
Inside Girth
shdr/hip /foot
Fill Wt. Total Wt. Stuff size
Mummy 5'6" -10°C -7°C 12.5 150/130/97 425 g 790 g 18 x 33
(w/ full collar) 6' -10°C -7°C  12.5 150/130/97 450 g 820 g 18 x 33
  6'6" -10°C -7°C  12.5 152/132/97 480 g 870 g 18 x 33

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