Ventilated With Waterproof Option and Impact Protection. Five-year warranty included. Two-way function. Ventilated for permanent airflow. HydraDri Max: 30,000 mm / 30,000 g/m2 waterproof / breathable. EN 17092-3-2020, Class AA tested and approved. CE Tested and Certified as Impact Protection: Knee EN1621-1 Level 2. Hip EN1621-1 Level 1. Inner liner: Removeable waterproof liner. Materials: Leatt RipStop main shell. Leather reinforcements inside of knees. Heat resistant panels on lower inside leg. Stretch areas, at knee, knee hollow, crotch and back yoke. Smooth non-snagging material inside of boot area. Storage: Large waterproof pockets. Zipped handwarmer pockets.