【Product Features】 • Utilizes a waterproof and breathable AuroraTex® fabric. • A versatile 3-season/4-season sleeping bag that does not require an additional sleeping bag liner. • Designed as a set of two, which can be used connected together or independently. • Suitable for use by one adult and one child comfortably, or up to two adults and one child together. 【Usage Reference】 • 450DX: Suitable for three seasons and versatile for various activities, from camping to mountaineering. • 600DX: Suitable for all seasons and usable in winter without snow. 【Product Specifications】 • Weight: - 450DX: 980g × 2 - 600DX: 1290g × 2 - Storage bag: 25g × 2, Mesh storage bag: 70g × 2 • Length: 183cm (standard version) • Packed Dimensions: - 450DX: φ16 × 36cm × 2 - 600DX: φ18 × 38cm × 2 • Comfort/Minimum Temperature: - 450DX: 0℃ / -5℃ - 600DX: -4℃ / -11℃ • Down: 760FP Spanish white duck down • Inner Structure: Box baffle construction (450DX has upper box + lower single stitching point structure) • Down Fill: 450g/600g • Zipper: One right side and one left side • Accessories: Storage bags × 2, mesh storage bags × 2 • Material: - Outer: 40D AuroraTex® - Lining: 20D Nylon Taffeta