Model CY660 Splicing Double Sleeping Bag 1500G Orange Overview This CY660 sleeping bag is a long, mummystyle down sleeping bag designed for adults, including taller users over 2.0 m. The 1500G fill version in Orange provides coldweather performance while allowing two bags to be spliced together into a double or opened flat as a quilt. Key features and benefits Temperature performance (by fill weight) 1500G (this variant): comfortable range approximately 10C to 0C, extreme down to 25C 1200G: comfortable range approximately 5C to 5C, extreme down to 15C 1800G: comfortable range approximately 15C to 5C, extreme down to 30C Size and fit: long size 210 x 80 x 50 cm, suitable for adults and for heights above 2.0 m Connectable design: twoway zipper and splicing system let you join two sleeping bags into a double or open fully to use as a blanket or quilt Warmth construction: primary filling is duck down supported by a doublelayer hollow fourhole cotton layer to improve insulation and moisture handling Durable shell and lining: outer fabric is 210T polyester diamond ripstop for tear resistance; lining is 240T polyester for a soft, skinfriendly interior; additional nylon components for reinforcement Draft protection: builtin neck collar, zipper windproof baffle, and an adjustable drawstring hood minimize heat loss at common leakage points Convenience features: twoway zipper for easy entry and exit, internal pocket for storing small items such as a phone, and an Oxford cloth compression bag for compact storage and transport Colors available: Orange, Army Green, Fruit Green, Light Gray Style and category: mummy style, down sleeping bag, cold weather use, model CY660 Materials and construction Outer: 100 percent polyester 210T diamond ripstop Lining: 100 percent polyester 240T Primary filling: duck down, with additional doublefilled hollow fourhole cotton layers for enhanced insulation and moisture management Compression and carry bag: Oxford cloth Practical applications Camping and mountaineering: keeps adults warm on cold spring, autumn, and winter outings when reliable insulation and draft control are required Road trips and car camping: long size fits taller sleepers and compresses for easy trunk storage Outdoor work or emergency shelter: connect two bags for shared warmth or open flat as an emergency blanket or insulated cover What makes this sleeping bag stand out Configurable warmth levels via three fill weights to match seasonal needs and expected temperatures Robust outer fabric and reinforced construction for repeated outdoor use Thoughtful thermal details including hood, neck collar, and zipper baffle to reduce heat loss Versatile splicing design for single or double use and quick conversion to a blanket Specifications Model: CY660 Variant described: 1500G Orange Size: 210 x 80 x 50 cm (long) Style: mummy, connectable double option Applicable people: adult Season: spring, autumn, winter Fabric: polyester outer and lining, nylon reinforcement Filling: duck down plus hollow cotton insulation layers Care and packing Compress into the included Oxford cloth compression bag for storage and transport Follow standard downcare practices such as airing after use and professional cleaning when needed to preserve loft and performance This description reflects the CY660 specifications and available options. Choose the fill weight and color that match your typical temperature conditions and user needs.