Mueller Optics Poncho Woobie Flat Dark Tan One Size. It can be worn as a poncho/long coat used as an emergency sleeping bag or sleeping-bag liner wrapped as a blanket or used to line a hammock for extra insulation. Made of lightweight polyester with insulating fill so it stays warm dries quickly and packs down small. Specifications for Mueller Optics Poncho Woobie: Manufacturer: Mueller Optics Unisex Size: One Size Center Back Length: 78 in Age Group: Adults Application: Warmth Layering Multipurpose Camping Outdoor Gender: Unisex Fabric/Material: Polyester Activity/Occasion: Camping Outdoor Features of Mueller Optics Poncho Woobie Multi-Purpose (jacket sleeping bag or sleeping bag liner blanket hammock liner) Lightweight Hooded Water-Proof Quick-Dry Heavy-Duty Zippers Package Contents: Mueller Optics Poncho Woobie Carry Sack Mueller Optics MWP100-FDO: Poncho Woobie Flat Dark Tan One Size