The Supersport-K is the highest-spec leather jacket RST has ever produced. Built for pure performance, it features a premium kangaroo leather chassis, next-gen 4-way stretch zones, and a 3D mesh lining for unmatched comfort and ergonomic freedom. Fully ventilated with panel-in-panel perforation and airflow-optimized internals, this jacket is CE AAA certified and equipped with D3O Level 2 protection at the shoulders and elbows, with optional back and chest protector pockets included. Updated 2-piece carbon shoulder cups add impact resilience and aggressive style, while the refined fit ensures this jacket performs equally well on track and aggressive street rides.