The RST S1 D3O Suit is constructed from a durable AST+ outer material and features D3O Level 1 armor throughout the design. This protective configuration supports a CE AAA certification, positioning the suit as a race-day ready option for track use. The garment incorporates a sport-focused design that includes TPU shoulder cups and knee sliders to enhance rider protection.
Ergonomic stretch paneling is integrated into the suit to provide flexibility and comfort, while the overall construction remains lightweight and breathable. The understated cut allows the apparel to transition from track environments to street riding, offering a performance-oriented fit for riders entering the full-leather category.