Nemo Mezzo Loft Luxury 30 Degree Sleeping Bag Filled with ultrasoft Stratofiber synthetic insulation for warmth even in wet conditions Roomy rectangular cut with stretch construction retains warmth while offering maximum internal volume for side sleepers 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 footbox 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 the Cosmo 30XL series sleeping pad to keep the bag in place while you shift around inside (sold separately)