Montbell Seamless Alpine Burrow Bag #2 - Sunflower SIZE:One Size size up a half size

size up a half size in our opinion

improved fit and a 15gram weight saving on its predecessor

Diamond-quilted lining

Rounded out with drawcord adjustable hems to cinch the fit

which provides full arm mobility

Montbell Seamless Alpine Burrow Bag #2 - Sunflower SIZE:One Size size up a half sizeThe Seamless Burrow Bag is made using Montbell's proprietary synthetic insulation, Exceloft. Exceloft offers advantages in wet or humid conditions that could potentially compromise a down sleeping bag. EXCELOFT is perfectly paired with our seamless construction, which reduces sewing holes where warm air can escape and create a more airtight sleeping bag. As a result, this simpler method of construction allows Exceloft to loft to its fullest potential,