It's going to be a wild ride under the tent! With the Swing CO 850 sleeping bag from Valandré, embark on high-altitude adventures in all seasons. This 4-season sleeping bag will help you withstand cold temperatures thanks to its 650 cuin fill power duck down. Additionally, with its sophisticated 3D tubular construction, this bag offers maximum comfort for relaxing or sleeping. With the Swing CO 850, you won't miss out on warmth or comfort for your nights on the highest peaks. Materials: 100% polyamide nylon 6-6 Mini-Ripstop 40g/m2, DWR treated. Asahi-KASEI® 18 pre-cut compartments with 100% anatomical shape Tubular cut Wrap-around hood and collar Trapezoidal foot box Insulated draft tube along the zip Inner pocket 90/10 duck down (EU. 650CUIN+) Valandré: -20°C / 5°F Extreme: -37°C / -14.8°F Comfort limit: -16°C / 17.6°F Comfort: -9°C / 28.4°F Valandré Swing CO 850 - Sleeping bag | Hardloop