Founded in 1963, Alpinestars has built a reputation of innovation and prestige. Now, more than fifty years later, Alpinestars is synonymous with quality, protection, technology and style. Tech-Air® ready (sold separately). Engineered seamless Rideknit® stretch paneling for enhanced flexibility and freedom of movement. Innovative Matryx® panels on thigh, abdomen, chest, and back hump provide ventilation and resistance to tearing and abrasion. Calf Rideknit® stretch paneling perfectly adapts to different calf shapes and muscle movements. DFS armor delivers optimal resistance to impacts and abrasion, and offers exceptional friction control. Internal race-spec GP-R armor is soft, delivering extended coverage for additional protection. Premium bovine leather with dual layers in exposed areas for superior abrasion resistance.