Eureka! ThermaShield™ insulation is a proprietary blend of solid and hollow core polyester staple fibers. The unique blend provides excellent thermal properties while maintaining loft and durability.
Full-length, locking, #5 zipper with anti-snag webbing ensures smooth, trouble-free operation. Sleeping bag can be fully unzipped for use as a blanket, or mated to like models to create a large, 2 person sleeping bag.
Insulated draft tube runs the entire length of the zipper to seal in warmth.