Lofty SpiraFil insulation combines hollow fibers and denser, solid synthetic fibers in order to offer a balance of warmth, softness and compressibility
	
Insulation fibers are thermally bonded so the insulation maintains its loft and shape longer, meaning more warmth and a better performing bag in the long run
	
DWR-coated shell material fends off light rain and moisture so your bag and insulation stay drier in inclement weather
	
Snagless draft tube won't leave you trapped when nature calls in the middle of the night
	
Snag-free draft tube seals in extra warmth
	
Two-way zipper sliders enhance convenience
	
Included compression stuff sack helps save space in your pack