Founded in 1963, Alpinestars has built a reputation of innovation and prestige. Now, fifty eight years later, Alpinestars is synonymous with quality, protection, technology and style. Protective and comfortable Nucleon Flex Plus armor is highly flexible and adaptive and has a thin profile for optimum rider comfort. Relaxed fit, straight leg for an optimized comfort. Stretch denim fabric delivers flexibility, enhanced comfort and a softer feel against the skin. Inner fabric gussets in aramidic fiber reinforce the denim fabric at critical points such as the knee. Reinforced side seams with triple stitching for durability.