
Down Sleepingbag for Extreme Cold Weather. High-Performance Filling: Contains 1000g of 800 FP 90% white goose down for superior warmth and comfort. Certified Safety Standards: Passed SGS and Intertek tests, compliant with ISO23537 and EN13537 standards. Durable Shell Material: Constructed with 380-400T nylon down-proof fabric for durability and weather resistance. Full Customization Support: Offers full customization including customer design, logo, and material selection. Fast Sample Production: Capable of producing custom samples within 7 days to meet urgent project needs. Lightweight Design: Net weight is only 1.65 kg, making it highly portable for outdoor enthusiasts. Breathable and Eco-Friendly: Features breathable, eco-friendly materials suitable for unisex adult use.