【Product Features】 • Made from soft and lightweight 20D nylon taffeta. • Filled with 650FP Spanish white duck down. • A lightweight, compact, and highly cost-effective sleeping bag. • Designed with an original pattern that allows for unrestricted movement, ensuring comfort during camping. • Can be used as a set of two or separately, offering versatile usage. • Provides comfortable usage for one adult and one child, or at maximum, two adults and one child. 【Usage Reference】 • 450DX STD: Suitable for three seasons and can be used for general camping and summer mountaineering. 【Product Specifications】 • Weight: 750g × 2, Storage bag: 25g × 2, Mesh storage bag: 70g × 2 • Length: 180cm (standard version) • Packed Dimensions: φ16 × 36cm × 2 • Comfort/Minimum Temperature: 5℃ / 0℃ • Down: 650FP Spanish white duck down • Inner Structure: Box baffle construction (350DX has a single stitching point structure, 450DX has upper box + lower single stitching point structure) • Down Fill: 350g/450g/600g • Zipper: One on the right side, and one on the left side • Accessories: Storage bag × 2, mesh storage bag × 2 • Material: Nylon taffeta 【Note】 ※ Regarding the temperature range for use, this varies from person to person. Those who are sensitive to cold or do not wish to feel chilly are advised to choose a model one level higher for a more comfortable experience. In hot weather, the sleeping bag can also be used as a quilt, laid over the body to regulate temperature.