Reactor Fleeceweight Sleeping Bag Liner E063AB00 The sun (UPF 30) protective The sun (UPF 30) protective KONQUER adeptly controls moisture for superior quick dry performance in hot and humid conditions Our Solid Crew delivers legendary Darn Toughness with sophisticated styling hassle free entry and exit Easy to Keep Clean Machine washable construction simplifies care and reduces wear on your sleeping bag over time Lower Impact Materials Crafted with certified recycled fibers and bluesign APPROVED materials to minimize environmental impact Can be used on its own as a lightweight sleeping bag in warm weather conditions helping preserve loft and extend lifespan