© G. Schaezlein
Western Mountaineering

Sleeping Bags

Bags by Temperature Rating 

Features & Construction 

Specification Chart 

Metric Specification Chart 

ExtremeLite Series

Microfiber Series

Alder MF

Sycamore MF

Caribou MF

Apache MF

Badger MF

Kodiak MF

Ponderosa MF

Antelope MF

Sequoia MF

Bristlecone MF

Lynx MF

Puma MF

Gore Windstopper Series

Gore Windstopper Expedition Series

Down Garments

Cloud 9 Comforter


Sycamore MF
Sycamore MF

See Explantion
  • 5 1/4" Spacing/Continuous Baffles
  • 5" Loft, 25° F
  • 62"/ 4 6" Shoulder /Foot Girth
  • 17 oz. Down Fill
  • 2 lbs. Total Weight

It's your third day on the Colorado and you've been running rapids for as many days. The Grand Canyon looks different from a raft! It's a special place with an ancient Puebloan ruin just up the draw...If you can climb out of your Sycamore MF early enough you might just see it before breakfast... With plenty of room and a hood just in case, the semirectangular Sycamore MF is made with our 1.2 ounce MicroLite XP™ to provide that extra margin in weather protection. Filled with 17 oz. of our high lofting down this bag with 5" of loft is rated to 25° F. It sports 62" of girth at the shoulder and 46" at the foot. Not only will it zip to our mummy bags, but the zipper around the foot section lets it open up flat to be used as a comforter... This is the river runners dream! This bag was formerly known as the "Hooded Aspen MF". Nothing about the bag has changed except its name.

Shape Size
Rating Loft
Inside Girth
shdr/hip/foot (in)
Fill Wt. Total Wt. Stuff size Sac Size
Semi Rec 6'0" 25° F 5" 62"/59"/46" 17 oz 2 lb 8 x 15 S
  6'6" 25° F 5" 62"/59"/46" 19 oz 2 lb 2 oz 8 x 15 S
Shape Size
Rating Loft
Inside Girth
shldr/hip/foot (cm)
Fill Wt. Total Wt. Stuff size
Sac Size
Semi Rec 180 -4°C 12.5 157/150/117 480 g 905 g 20 x 38 S
  200 -4°C 12.5 157/150/117 535 g 965 g 20 x 38 S

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Western Mountaineering; 1025 South 5th Street; San Jose, CA 95112
Top photo Early 1900s © G. Schaezlein
Background image © G. Schaezlein
Western Mountaineering