T-Shirts by Alpinestars. Details:Alpinestars has been redefining protection for motorcyclists ever since the company was established in 1963. Commitment to innovation has led Alpinestars to become the world-leading manufacturer of professional racing products, motorcycling airbag protection, high-performance apparel and technical footwear. Alpinestars understands that the best design and research is achieved under extreme conditions. Our involvement in Formula 1, NASCAR, AMA and World Motocross and MotoGP has led to the creation of the most advanced technical equipment for the racing world’s top athletes.