Thank you for viewing ♪ This is an older model, so we are offering it at a reduced price. A set of 2 sleeping bags that achieve over 80% heat retention! These are very warm sleeping bags that can be used all year round! *Limited quantity color (orange inside). *Comes with a mini LED light as a gift with each purchase! [Product Information] ■Product Name: Envelope Type Sleeping Bag -15℃ ■Material Outer: APEX COCOON FABRIC Inner: 3D Fiber (Hollow Cotton) ■Color: Black/Khaki *Multiple colors are used in the product description images. *If you wish to purchase the same color or a different color, please contact us via the comment section before purchasing. ■Size: Approx. 225 x 80 cm ■Storage Size: Approx. 38 x 28 cm (Flat measurements. Please allow for slight errors.) ■Weight: 1800g ■Type: Envelope ■Temperature Rating: -15℃ to 0℃ to 10℃ (Comfortable temperature 0℃) *What is the limit temperature? This is the temperature range where use is possible with thick clothing such as down, but it is not suitable for long periods of sleep or use with light clothing. Newly reborn 3D fiber. Increased 3D fiber (hollow cotton) for significantly improved heat retention. Heat retention rate exceeds 80%! *Tested by Kaken Test Center. The double-sided zip top allows for opening and closing from both the outside and inside. Furthermore, the double zipper specification allows for opening and closing from both the top and bottom, enabling fine temperature adjustments inside the sleeping bag. Includes a Velcro guard to prevent the zipper from opening accidentally during sleep. There is also an internal pocket for storing mobile phones and other items. Can be washed in your home washing machine ♪ *Sleeping bags may be shipped compressed. If you will not be using it for a while, we recommend storing it as is, as it also has insect and mold repellent effects. If you plan to use it immediately, please take it out of the bag and expose it to air for a while. It will absorb air and become a fluffy sleeping bag, so please try it. For winter Warm Envelope type