The down filled venom 300 sleeping bag from vango is a superb season 2 3 luxury sleeping bag that is lightweight incredibly warm and easy to carry the venom 300 has the very best down resulting in a comfortable snug finish and has been has been updated with a new nylon ripstop fabric with water resistant finish for increased softness and higher lofting this combination makes the venom 300 a luxurious bag that has been made to the highest quality and ideal for the long distance backpacker adventu