sleeping Space Gray warm even in extreme structure 1400g Lightweight Compact Top shell sleeping bag Winter sleeping bag Spring 3 400T20D Nylon Down

Welcome to Select Items Norisuke. We are Japanese seller. We ship authentic items from Japan. Please enjoy shopping with peace of mind! You will find popular and useful products in Japan! ✅️ [Thermography] In the "-25℃ extreme cold experiment", a temperature of 24℃ or higher was recorded after 1 hour. ✅️ [Space Technology] Space material airgel x aluminum. Our unique 4-layer down structure provides excellent heat retention. The 4-layer structure includes 400T 20D nylon fabric with airgel technology, 90% natural white duck down, and aluminum sheet to block out the cold outside air and keep your body heat in. ✅️ [Waterproof Top Shell] 400T20D nylon shell provides high waterproofness and durability. ✅️ [Lightweight/Compact] High quality white duck down has fine fibers and can be compressed 2 to 3 times more than artificial down. With the included compression bag, it can be compressed and carried compactly. A high-performance sleeping bag perfect for camping and outdoor activities. ✅️ [Suitable for 3 seasons] ●YKK zip fastener ●Draft tube ●Draw cord allows temperature adjustment in various areas. [Compatible with 3 seasons] From intermediate mountain climbing in the middle of winter to mountain climbing in spring and autumn (comfortable temperature: 0 to -10°C / limit temperature: -25°C) Super warm x waterproof x lightweight x compact ALUGEL sleeping bag for outdoor and camping uses its unique 4-layer structure to achieve excellent heat retention. The 4-layer structure of 400T 20D nylon fabric with airgel technology, white duck down, and aluminum sheet blocks out the cold outside air and retains body heat. It can be stored compactly and is lightweight, making it easy to carry. A high-performance sleeping bag perfect for camping and outdoor activities in the cold season.