The second generation Baja S4 Jacket is a breathable mesh jacket born for open deserts, towering sand dunes and humid jungles. Constructed with robust breathable mesh and specially-mapped 4-way stretch panels for unrestricted airflow, the Baja S4 Jacket delivers thorough comfort and mobility for hot weather adventure riding. Baja S4 is now more breathable and more comfortable than ever before, while offering outstanding on-road protection with ceramic-plated SuperFabric. When paired with a waterproof shell, the Baja S4 kit becomes the ultimate adventure riding setup for maximum versatility.