For racing light and fast, the ultimate three-layer waterproof running jacket - with pre-shaped hood and full length zip and internal storm flap. Weighing 106 grams (Medium), the RACESHELL PRO is Inov-8's most breathable running jacket ever with its 70,000 B-1 breathability rating, ensuring heat can easily escape, keeping you cool and comfortable during the most intense racing. Stay dry and protected in even the wildest of wet and windy weather conditions thanks to the 3-layer Pertex waterproof fabric with 20,000 HH waterproof protection rating and fully taped seams throughout. The integrated zipped pocket on the arm sleeve can be used for storage or to pack the jacket away small. Fully-taped seams ensure you pass mandatory race kit requirements, and the semi-transparent fabric allow race numbers, worn underneath, to be visible at all times.