The vaude arctic 450 primaloft sleeping bag is a fantastic piece of kit for 3 season camping this high end sleeping bag is filled with synthetic high performance primaloft black high loft unlike down this filling will keep you warm even when wet making it ideal for unpredictable weather conditions the baffle construction of the primaloft filling also minimises cold spots while maximising insulation vaude have designed the arctic 450 in a mummy shape tapering towards the feet this reduces the amo