As an expert in the field, I am proud to introduce the Yatta Life 4 Seasons Lightweight Portable Waterproof Camping Goose Down Sleeping Bag. Made with durable black 20D Nylon fabric inside and out, this sleeping bag features 300g of White Goose Down (750FP) stuffing for optimal warmth and comfort in all weather conditions. With a temperature rating of Comfort: 0℃, Limit: -6℃, Extreme: -17℃, and a YKK zipper, it is perfect for camping, backpacking, or hiking adventures. Additionally, our friendly customer support team is always available to address any questions or concerns. Choose the superior insulation and weather-resistant design of the Yatta Life sleeping bag for your next outdoor excursion.