Mountain's Ultralight Down Bags have been completely updated to shed weight and improve packability. The new curved baffles reduce down shifting and enhance comfort. The addition of a second fold down zipper provides added ventilation and ease of access. Ideal for any long distance trip. 

300T nylon ripstop outer fabric ; 300T polyester liner 

Item: Mummy Down Sleeping Bag
Type: 3-season sleeping bag for winter and autumn,spring
Package: Compression bag ; Filling: 1500g(3.3lbs) duck down
Product Weight approximately: 2.3kg(5lbs)
Size: 50*80*210cm(19.7*31.4*82.7 inches)
Comfortable temperature approximately :-25℃ ~ 10℃

Features:
Outdoor Sleeping Bag, Water-resistant/Windproof/Warm/Cold-resistant
Lightweight and breathable, Super soft and warm
Portable, convenient to carry
Head of sleeping bag has Velcro to prevent the zipper slide down, stop the wind and keep warm at night
Suitable for camping, hiking, walking, travelling, trekking and any other outdoor sports