J-Tracker are motorcycle jeans made with a Cordura®/Cotton blend fabric. Developed by SPIDI's Safety Lab, J-Tracker perfectly combine practicality and safety; the EN 1621-1:2012 certified Warrior Lite protectors on the knees are included. J-Tracker Short are prEN 17092: 2017 class A certified. 10cm shorter than the regular J-Tracker.