The adventure medical kits emergency bivvy is from the survive outdoors longer range and is ideal to take with you on camping or hiking expeditions in case you unexpectedly have to spend the night outdoors the bivvy is made from an ultra light ultra warm polyethylene that offers full protection shelter that professionals reply on and will keep you warm with its 90 radiated body heat reflected the adventure accessory is much more than a blanket to it can be used for a wide range of things li