The NORDIC 4 is a slim and agile running/ski hydration pack, suitable for cross-country races and short tours, trail running, or mountain biking. The pack offers a 4-liter capacity, including a 2-liter hydration bladder and our revolutionary Thermo Cell Insulation technology, which prevents the drinking tube from freezing even in the most extreme temperatures.
  
Completely wobble-free thanks to NDM 1.1 + Thermocell – our patented 4-point belt system for an absolutely safe and secure fit.
  
NDM™ Buckle – functional buckle for secure closure and optimized fit
  
Thermo Cell technology prevents the liquid from freezing in cold outdoor conditions.
  
Lightweight – Slim and lightweight hydration pack with a total capacity of 4 liters.
  
2 liter hydration bladder included