It comes with a synthetic water resistant prodown insulation and it s very roomy.
The north face furnace 20 sleeping bag review.
With a lighter roomier design the north face furnace 20 sleeping bag packs a lot of warmth into a small package.
This synthetic layer didn t compress when i laid on it like down would meaning it provided good insulation underneath me throughout the night.
It is not the lightest sleeping bag you can find and for some scenarios you may find it too bulky to backpack around with.
The furnace is filled with 600 fill power down but it s not particularly light or packable.
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.
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.
Sleeping bag makers generally use down insulation to minimize weight and packed size.
Simply put the north face furnace 20 is a comfortable 3 season sleeping bag at a very reasonable price.
The north face furnace 20 improves nighttime warmth with the addition of a layer of synethic insulation tnf s heatseeker eco through the bottom of the bag.
The cat s meow s synthetic insulation also won t lose.