The Nemo Forte(TM) bags are designed for the seventy percent of people sleep on their side. The 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(TM) shape provides a generous cut at the elbows and knees so side sleepers can shift positions comfortably throughout the night. This 3-season backpacking bags is loaded with features, including Thermo Gills(TM) that help regulate temperature during the night, Blanket Fold(TM) 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(TM) to zip together for a double version of these favorite synthetic sleeping bags.Features:Classic Spoon(TM) shape adds room at elbows and knees for versatile comfort. Updated with PrimaloftA(R) 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(TM) allow you to vent body heat without letting cold drafts in. Blanket Fold(TM) 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(TM) to be stuffed into the sleeve opening for secure, elevated support through the night. Opposite-sided zippers on Forte(TM) Men&';s and Women&';s models increase versatility by allowing them to be zipped together into a double sleeping bag.Specs:Minimum Weight3 lb , 5 oz / 1.5 kgPacked Size14.0 x 8.5 in dia / 36 x 22 cm diaTemp Rating20F / -7CISO Comfort20F / -7CFill TypeSyntheticFill Weight2 lb , 6 oz / 1.08 kgFits Up To5&';6" / 168 cmShoulder Girth62 in / 157 cmHip Girth58 in / 147 cmKnee Girth60 in / 152 cm