The SPIDI RR PRO 2 Pants are CE certified to the latest prEN 17092-2:2017 safety standard, and they include removable Warrior Lite protectors certified to the En 1621-1:2012 standard. In order to ensure a perfect fit the RR PRO 2 Pants have a lumbar adjust micrometric stretch tightening system, flexible panels in the upper knee sections, and cuffs that are designed to fit neatly and comfortably into your boots. As you would expect with any high-performance motorcycle pants, the RR PRO 2 has adjustable and removable knee sliders and Spidi’s proprietary Micrometric Slider Control. For safety there is a pant to jacket attachment zipper and the main chassis is abrasion resistant cow leather with a thickness of 1.1mm to 1.3 mm. Flex Tenax panels are used on high-movement areas, the pants have a fixed lining, and they’re rated as 50% waterproof.