Boost 4

The Boost 4 from Nordisk lives up to its name and noticeably extends the range of use of your sleeping bag. When temperatures drop unexpectedly or you set off for colder regions, the down-filled footmuff raises the temperature limit of your sleeping bag by four degrees Celsius.

The robust ripstop outer material protects the high-quality RDS-certified European duck down. The Boost 4 can be easily adjusted using a drawstring with integrated stopper and ensures efficient heat retention in the foot area.

With the Nordisk Boost 4, you get more out of your existing sleeping bag and remain flexible for spontaneous adventures in cooler climes.