Ibaby constant temperature sleeping bag is a sleeping bag product of Ibaby. The constant temperature sleeping bag adopts the patented technology outlast certified by NASA. It uses phase change materials that can absorb, store and release heat as fillers, and can intelligently adjust the surface temperature of baby skin with the change of external temperature, thus creating a comfortable microclimate.
Development course:
Early humans used animal fur to make warm clothes and sleeping mats, which are still used today, including Eskimos living near the North Pole.
/kloc-At the beginning of the 20th century, explorers and mountaineers began to test different sleeping bag systems. Early sleeping bags were filled with camel hair with excellent thermal insulation, and then hollow rubber air cushions were invented for1polar exploration of the earth in the 1920s.
Feathers were widely used in mattress filling at the beginning of19th century because of their good thermal insulation performance. In Victorian England, women even filled the inner layer of skirts with feathers to keep warm, but the technology of feather treatment and use began to develop in the middle of19th century. The recorded feather sleeping bag was used in Alfred Mameli's expedition in England in 1892.