Bushcraft Neck Cooling Scarf is simple but extremely effective cooling system of the body. It works on the principle of gradual releasing coldness, from poly-crystals that are found inside the materials.
Preparation is very simple, immerse it in clean water, the crystals will absorb the necessary liquid, cool it and is ready for long-term cooling of the body. During wearing the crystals slowly release the cold. This scarf can help further cool the body and up to 3 days, then repeat the whole process and is ready for reuse.
Scarf can be used in completely opposite situations, when you need a long lasting warm compress.