The Rukka Comfo-R trousers can be registered for a 6-year manufacturer's warranty. They have a 100% waterproof and breathable Gore-Tex Z Liner membrane to keep you dry. Abrasion-resistant Cordura 500D reinforcements on the hips and knees give additional impact resistance along with the Rukka D3O Air XTR hip and knee/shin protectors that meet the requirements of CE Norm EN 1621-1 2012 level 2 giving the Comfo-R trousers CE EN 17092, Class A Protection. A detachable thermal lining gives warmth in cooler weather, and ventilation openings on the thighs give superior air circulation in warmer weather. The bottom of the legs are adjustable with zips and Velcro for the perfect custom fit and allow for easy entry and exit. They also offer two zipped outer lower pockets and a zip to connect to matching jackets.