A proven standard in a three-season bag the updated Sierra Designs Women's Rosa 20 Degree Sleeping Bag continues it's highly functional warm and toasty tradition. Adding new color blocking the updated Climashield HL™ insulation takes thousands of continuous polyester fibers and spreads them into a naturally interlocking insulation that is breathable and does not migrate. Comfort rated to 20°F/-7°C degrees the Rosa not only warm but offers serious design enhancements with an ergonomically shaped foot box that won't cramp your feet and ergonomic hood shape to cradle the head. An insulated draft tube along the full-length zipper protects against unwanted breezes while Pad Locks™ attaches the bag to a sleeping pad to prevent sliding. Built for a women's body type this bag has more insulation targeted in the torso and the foot box for added warmth and is generously cut in the hips with a narrower shoulder profile to increase comfort and thermal efficiency.