Ideal for 3 season cool weather (Spring, Summer, Fall) camping. The Bundle Monster large sleeping bag is durably constructed of a polyester cover with a soft, 190T pongee lining and 3lbs of thermo insulation keeps you comfortable throughout the night and it measures 29.5″ x 86.6″ (W X D), meant to fit taller campers up to 6’2″ tall . A unique scoop shape creates a comfortable headrest, keeping your head and pillow off the ground. Surface constructed of waterproof material – keeping you dry. This sporty camping sleeping bag is constructed with features that keep you warm and comfortable, such as: Zip Plow: Prevents zipper snags by plowing fabric away from zipperRoll Control: Locks bag in place for easier rollingFiber Lock: Prevents insulation from shifting, increasing durabilityThermo Lock: Reduces heat loss through the zipper, keeping you warmerCertified Temperature Rating: Independently tested for temperature accuracyZipper Glide Tailoring: Allows smooth zipper operation around the cornerComfort Cuff: Surrounds your face with softness