Seventy percent of people sleep on their side, yet mummy bags are not designed to accommodate this. Forte has been updated with Primaloft's, lightweight, ultra-lofty and supremely resilient RISE insulation featuring 80% post-consumer recycled content. Forte's classic Spoon shape provides a generous cut at the elbows and knees so side sleepers can shift positions comfortably throughout the night.These 3-season backpacking bags are loaded with features, including Thermo Gills that help regulate temperature during the night, Blanket Fold that provides tucked-in comfort, an integrated pillow pocket, and a waterproof/breathable footbox to withstand tent condensation. Left-sided zippers on Men's and right-sided zippers on Women's allow Forte to zip together for a double version of these favorite synthetic sleeping bags.Classic Spoon shape adds room at elbows and knees for versatile comfort. Updated with Primaloft RISE insulation, featuring 80% post-consumer recycled content, and engineered to deliver maximum warmth retention and water resistance with less weight than conventional synthetic insulation. A fabric set of 30D Nylon Ripstop and 20D Nylon Taffeta offers an ultra-plush sleep experience. Thermo Gills allow you to vent body heat without letting cold drafts in. Blanket Fold external draft collar and a full-length draft tube provide tucked-in comfort and temperature regulation. Full-length double-slider #5 YKK zipper with zipper plow makes getting in and out of the bag a breeze. Integrated pillow pocket allows a jacket, extra clothes, or Fillo to be stuffed into the sleeve opening for secure, elevated support through the night. Opposite-sided zippers on Forte Men's and Women's models increase versatility by allowing them to be zipped together into a double sleeping bag.