The Women's Ultralight Insulated Air Sleeping Mat saves weight with its pared-down shoulder girth and shorter length. This ultralight insulated women’s air mattress provides a warm and comfortable sleeping surface for 3-season (3.5 R-Value) backpacking, adventure racing, and bike touring. Air Sprung Cell construction mimics a spring mattress; women’s pad is cut narrower at the shoulders and wider around the hips and knees. Multi-function valve for fast inflation in just a few breaths (using integrated Airstream Pumpsack), one-way deflation for quick packup, and fine-tuning of air pressure. R-value: 3.3 Dimensions: 168 x 55 cm Thickness: 5 cm Dimensions folded: 9.5 x 9.5 x 23 cm Weight: 480g