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. 10 cm longer version. Cordura/Cotton. Elasticized fabric. Cordura high tenacity polyamide fabric. Warrior Protectors certificate EN 1621-1 Lev. 1 knees. Lite Warrior protectors hips Optional. Slim fit. Knee protector adjustable positioning.