The CATAGO FIR-Techneck brace can help prevent tensions in the shoulder and neck area. The inside of the neck brace is covered by the well-known FIR-Tech fabric, which has woven ceramic particles that reflects the body heat deep into the tissue and help the blood circulation, this helps to reduce tensions, prevent sore muscles and shorten recovery periods. It is recommended to wear the neck brace in direct contact with the skin for optimal effect.