Montbell Sleeping Bags

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The Montbell UL Spiral Down Hugger Thermal Sheet is their lightest sleeping bag option. This "climbers bag" functions very well as a part of an ultralight sleep system when the UL down garments are integrated or cached in your pack in case of an emergency bivouac. Also works great as an ultra-light, ultra-compact summer sleeping bag for temps 50 degrees F and up.

Features:
Spiral Stretch System (PAT Pending)
Drawstring neck adjustment
Full length zipper that "turns the corner" to offer a quilt option
Auto lock zipper
Tapered stuff sack

Specs:
Temperature Rating: 50 F / 10 C
High quality 800 fill power down
12-denier Ballistic Airlight fiber nylon
POLKATEX® DWR treatment
Max User Height : 5 ft 10 in
Inside Shoulder Girth : 56.7" - 68"
Inside Knee Girth: 45.7" - 54.9"
Stuffed Size: 4.8" x 9.1"
Color: Grey
Weight: 13.8 oz
Fill Weight: 4.5 oz