Thermos has long been popular among outdoor enthusiasts, and for good reason. The bottle combines lightness, durability and guaranteed heat retention. The vacuum is created at a very high temperature in a vacuum oven, using a unique insulation technology. Midnight series products have a patented easy-to-use automatic cap that can be disassembled for washing. The cap closes automatically if the bottle is knocked over or the drinking cup is twisted into place. Thanks to its generous size, there is enough to drink even for a longer day trip. Thanks to its small size and lightness, the bottle is especially suitable for hikers' backpacks and ski hikers' breaks. Thermos has won numerous tests over the years, the latest ones in Retkilehti 12/2016 and Jahdissa & Kalassa 4/2019. Superior thermal insulation Keeps hot for 24 hours and cold for 24 hours The vacuum remains of high quality for several years Durable full steel inner and outer shell Quick cap, can also be used with a screw cap (sold s