• PREMIUM DOWN INSULATION: Clostnature down sleeping bag using a full 840g 100% 550 fill-power white duck down. This pure, odorless down filling ensures excellent insulation without any impurities, providing a comfortable experience akin to floating on clouds. Before using an ultralight sleeping bag, you can gently tap it, which will make the inside more fluffy and provide you with a better experience. Recommended use temperature: 15F/(-9.4°C)-52F(11.1°C), comfortable temperature is 43F(6.1°C)
• ROBUST AND WATERPROOF: The down sleeping bags are crafted with 20D insulated nylon fabric, designed for enduringness and softness. Additionally, we employ advanced DWR waterproof coating for enhanced protection. It can provide a cozy sleeping environment while withstanding the demands of extreme outdoor weather conditions, ensuring it withstands the rigors of outdoor use for years to come. NOTE: Despite our various waterproof designs, down-filled products are not recommended for machine washing