ISUKA Down Sleeping Bag Down Plus Recta 1000 Purchased new for 37,400 yen, used only once for car camping, so I think the condition is good. It's a roomy envelope type (rectangular) with a box construction. It uses a generous 1000g of down and is suitable for winter camping and car camping. Temperature guide: Minimum use temperature is 0°C. Weight: Average weight is approximately 1590g.