Sea to Summit Circuit Down Sleeping Bag -1C Brand_Camp MAMBA slings are firm and

MAMBA slings are firm and flexible

The ultralight recycled nylon Distance strap is breathable and moisture wicking

Ultralight 20 denier rip-stop Nylon provides greater insulation in colder conditions

As the third-generation re-design on the ever-popular Helios

Sea to Summit Circuit Down Sleeping Bag -1C Brand_Camp MAMBA slings are firm andAdapt to any adventure. The Circuits semi tapered rectangular shape fits you and fits your travelling, camping and backpacking lifestyle. Its extra width allows you to sleep on your side, wrapped in 650+fillpower down and soft touch fabrics. As the weather warms, the wraparound zipper lets you ventilate the bag from top to bottom, and even open it as a fully flat quilt. Sea to Summit design and quality, non PFAS recycled materials and ISO tested