The 4KAAD Thermobelt LED black yellow has a double isolation to keep your sports drink warm during sports and training. Silicon insert in the tab for anti-dropping.Upper pocket for mobile phone, ski wax or energy bars. The volume is 1L fluid, cold and warm ( max heat is 70C) Thermobelt LED

The Thermobelt has an integrated LED light and the prints are reflective for extra saftey during run or roller ski activities

The 4KAAD Thermobelt  is very popular by Worldcup athletes in cross country skiing and Biathlon. It is easy to carry.

NEW: special upper elastic mesh for more storage,