Doorek 3L Detachable Rabbit Jacket - UnisexWaterproofing: 15K Waterproof 10K Breathable, ensuring that you stay dry while still allowing your skin to breathe. Fabric: This is a 3 layer composite fabric with a high waterproof rating of 15000. It includes a German fluorine free water repellent coating, 75D*150D high density yarn fabric, a DuPont waterproof and breathable membrane, and a polyurethane coating. These layers work together to enhance the performance of the next generation of skiwear.