Joe Rocket: Developed for and proven in the most extreme conditions possible. This is ROCKET! 1.4 to 1.7 mm top-grain cowhide with perforated leather sections in the key areas for high heat ventilation (chest, groin, and lower waist). Titanium reinforced shoulder armor with injection-molded ventilation. C.E. rated protectors on shoulders, knees, and elbows. Removable spine armor. Removable foam inserts in key impact areas (chest, hips, tail bone, quads, knees and shins). Aerodynamic speed hump. Full-lined mesh interior with access for custom lettering. Full Flex™ articulated expansion panels (back, elbows, waist and knees). Beveled knee sliders with ceramic compound. Heavy-duty YKK® zippers. Adjustable wrist closure. Pre-curved sleeves and legs. Windproof panel zones for optimal mobility.