Product Overview: Pitch 37.5 waterproof 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 jacket has a rubber anti-slip print on the shoulders when you carry your bag. The lower sleeve has extra elastic to keep the sleeve in place while swinging. Drawstring at back neck allows for adjustment to perfect fit. Reflective prints make a very sporty design. Features: Sealed seams | Waterproof | Breathable | Stretchable | Lightweight | Water repellent | 37.5