We attribute that to the fact that the furnace has more insulation a better draft collar and a closer more thermally efficient fit for smaller framed testers.
The north face furnace 20 sleeping bag review.
It comes with a synthetic water resistant prodown insulation and it s very roomy.
The cat s meow s synthetic insulation also won t lose.
Sleeping bag makers generally use down insulation to minimize weight and packed size.
The furnace is filled with 600 fill power down but it s not particularly light or packable.
This synthetic layer didn t compress when i laid on it like down would meaning it provided good insulation underneath me throughout the night.
A lightweight roomy design for 3 season backpacking the north face furnace 20 sleeping bag is insulated with water resistant prodown which repels water and dries faster than traditional down.
The other 550 fill down bag in our review is the best buy award winning kelty cosmic 20 which is not as warm as the north face furnace 20.
This bag is designed for optimal comfort in chilly conditions providing prodown insulation to keep you warm and dry a fitted hood and draft collar to lock in heat and a vaulted footbox for toasty toes.
Simply put the north face furnace 20 is a comfortable 3 season sleeping bag at a very reasonable price.
It is not the lightest sleeping bag you can find and for some scenarios you may find it too bulky to backpack around with.