The Code Zero race jacket has been designed using Gul's technical 4 - layer fabric for extreme wet, cold and windy conditions. GCX4 fabric will keep you warm, dry and safe, allowing you to experience complete harmony with the conditions. The highly advanced GCX4 four-layer fabric is specifically engineered to fit the demanding use over time. It offers waterproof and breathability ratings of minimum 20 000 mm and 3000 g/m/24h. All seams are fully taped for long lasting extreme waterproofness. Designed with Cordura reinforced seat panel and 3 way adjustable, hi-vis stowaway hood, the Code Zero Jacket provides a performance weight, breathable, waterproof and windproof outer layer.