Mens Pitch 37.5 technology rainjacketPitch 37. 5 technology rain jacket is made of an extremely lightweight material with a very high breathability. The fabric is made with 37. 5 technology that always aims at keeping your body temperature at 37. 5 which is your optimal comfort zone where you perform best. The 4 way stretch makes it even more flexible. The water repellency treatment on the material is PFC free. The jacket has a rubber anti slip print on the shoulders for when you carry