PolarCool AB is a Swedish medical device company specializing in controlled cooling treatments, particularly for sports medicine. The company develops and markets the PolarCap System, a medical device designed to provide acute treatment for concussive and sub-concussive brain injuries by rapidly lowering brain temperature through controlled cooling. This approach aims to reduce the metabolic demand in the brain immediately following a concussion, which is critical in protecting athletes from further injury and mitigating long-term health effects. By offering this innovative solution, PolarCool supports athlete safety and helps reduce related recovery costs and potential career impacts. Headquartered in Lund, Sweden, PolarCool plays a notable role in advancing sports-related medical technology and brain injury treatment.