Designed for hikes where every gram counts, the Marmot Trestles Elite Eco 20 Long is a high-performance and durable men's sleeping bag made to accompany you on all your excursions. To create such a bag, Marmot based it on their best-selling bags to improve them while focusing on the ecological aspect of the product. Thus, these bags include a recycled outer layer, lining, and PFC-free Marmot Upcycle padding. The synthetic insulation of this bag uses a blend of three fibers to provide maximum warmth, a soft touch, and maximum loft. All of this ensures good insulation and a comfort temperature of around 0°C.In case the weather warms up, a secondary zipper at the feet allows for effective ventilation. A complete bag to accompany you on all your bivouacs, whether on the GR20, at altitude, or by the English Channel! A second "fold-down" zipper provides increased ventilation and easy access, and the anti-snag slider on the main zipper reduces snagging The anatomically shaped 3D footbox improves insulation and increases space for your feet, offering more warmth and comfort "HL-ElixR" is a unique blend of 3 fibers offering maximum warmth, a soft feel, and significant loft Tested according to EN The combination of wave construction on top provides maximum loft and optimal warmth, while the blanket construction ensures optimal warmth and superior comfort for the lower body 3D hood design External storage pocket Anti-snag draft tube Comfort temperature: 0.1°C Limit temperature: -5.8°C Extreme temperature: -23.2°C Marmot Men's Trestles Elite Eco 20 Long - Men's sleeping bag | Hardloop