Sustainable design that doesn't sacrifice performance in cold weather. The PFC-free, mummy-style Trestles Elite Eco 20° Sleeping Bag - Extra-Wide fill is made from 96% recycled material and has the lightweight, easy compressibility of the original. HL-ElixR Eco Micro synthetic insulation uses a unique blend of three fibers for maximum warmth, soft handfeel, and high loft. Wave and blanket construction plus a roomy footbox provide optimal warmth and comfort. A fold-down secondary zipper offers ventilation and easy access. Features: HL-ElixR Eco is a unique blend of 100% recycled fibers that provides maximum warmth, soft feel, and high loft Combination wave-construction top and blanket-construction bottom provides maximum loft, warmth, and comfort on top and under body Anatomically 3D footbox increases the insulation and room for your feet for more warmth and comfort Main zipper with anti-snag slider and fold-down second zipper provides added ventilation and easy access 3D hood construction External stash pocket EN tested Specifications: Main materials: 40d 100% Nylon Ripstop 1.7 oz/yd Bag temperature(°Celsius): -7°Celsius Bag temperature(°Fahrenheit): 20°Fahrenheit Insulation: HL-ElixR Lining: 40d 100% Nylon 1.6 oz/yd Weight: 3lbs 1.5oz (1400g) Zipper position: Left Zipper Marmot Trestles Elite Eco 20F Sleeping Bag - Extra Wide