GearSift
Home Sleeping Bags UltraLite 20
UltraLite 20 - Image 1 of 6

1 / 6

Western Mountaineering

UltraLite 20

QUICK SPECS
Seasons 3-Season

$640 at Garage Grown Gear

COMPETITIVE CONTEXT

How It Stacks Up

(of 55 sleeping bags)

Weight 29 oz
51% lighter
Price $640
7% cheaper
Packed Length 13 in
31% more compact
SPECIFICATIONS

Full Specifications

Features
Zipper Side
Left
EN/ISO Tested
True
Seasons
3-Season
Other
Length
Regular
Water Resistant
False
Packed Dimensions
13" x 7"
Temperature Rating F
20
Dimensions
Shape
Mummy
Length
72 in in
Packed Length
13 in in
Packed Diameter
7 in in
Construction
Fill Type
Down
Fill Power
850
Shell Material
12d Extremelite Nylon
Liner Material
Nylon Taffeta
Warmth
Comfort Rating
25 °F °F
Lower Limit
14 °F °F
Weight
Total Weight
29 oz oz
Fill Weight
16 oz oz

Hover over a spec name to learn what it means. Suggest a correction

REVIEWS

All Reviews

CATEGORY

Similar Sleeping Bags

View all 55 sleeping bags →
RETAILERS

Where to Buy

Prices updated Apr 8, 2026

Garage Grown Gear

$640.00
In Stock
Standard shipping

Amazon

N/A
In Stock
Standard shipping

GearSift earns a commission on purchases made through our links, at no extra cost to you. This helps fund our independent testing and reviews. Learn more