grey black Elements Cover The provided elements cover will protect your valuable equipment during extreme weather conditions. Simply install over the bag on the black side for rain protection, the silver side for heat deflection, or use as a dust cover. The silver side can additionally be used as a reflector if needed. TST Rib The TST Rib provides discreetly structured protection, where it counts. Located on parts of the bag that are sensitive to shock, the TST Rib will protect your gear from b