TrailHeads Race Day Performance Running Cap You can buy the TrailHeads Race Day Performance Running Cap ($18) in a variety of colours, from neon green to purple. All the perforations make it ultra-breathable and comfy, and the brim is lined with reflective coating if you want to take it out for a night run. Image Source: amazon.com TrailHeads Race Day Performance Running Cap $18 from amazon.com Buy Now