Nemo Mezzo Loft 30 Degree Sleeping Bag Stratofiber microfiber insulation is designed to mimic the loft, softness, and compressibility of down, while providing superior insulation in wet conditions Sit like you do in your own bed-dual side zips allow you to sit up easily or link Mezzo Loft bags together Waterproof, breathable fabric at the foot box protects your bag from condensation on tent walls; ripstop nylon through the rest of the bag has a Durable Water Repellent (DWR) coating Fitted pad sleeve is sized to accommodate most 25 sleeping pads to keep the bag in place while you shift around inside (pad sold separately) Roomy rectangular cut with stretch construction retains warmth while offering maximum internal volume for side sleepers.