Roll Top Dry Bag - 100% water tight bag3D Hood with Multi-Cord Closure - strategic design means the head and shoulders are kept much warmer during the night. Half Length Zip - reduces weight while still offering ventilation and access Two-Way Auto-Lock Zip - seal in warmth or provides ventilationZip Guard with Anti-catch Piping and 3D insulated zip baffleInternal PocketHanging Loops at the foot of the bag Arrow Foot - shaped foot area allowing feet to relax into their natural positionOmega Shaping - zips and seams positioned in the bottom half of the bag for better heat retention and a neat, comfortable fit around the shouldersTemperature Ratings Independently Measured in Accordance with EN 13537:2002- extensively tested to meet accurate temperature rating standardsApproved by The Scout Association for use on Scouting expeditions Approved for use by the DofE