The K1 Pro is a race-ready, multi-use, full-feature helmet with superior ventilation, aero styling, and an aggressive chin bar design complete with a front chin spoiler (duckbill). Incorporating lightweight construction, excellent fit, and multiple ventilation options, the K1 Pro is perfect for open-wheel racers, closed-cockpit drivers, and karters who demand value, performance, and superior features. The K1 Pro can be used in an open-wheel configuration with an air intake piece (included) and in a closed-cockpit configuration with a forced air intake (sold separately). Features: Lightweight composite shell Advanced multi-density, multi-piece liner to maximize energy absorption and impact performance Integrated channels in face piece offer multiple options to install drink tube and radio systems Superior ventilation with direct flow chin bar vents, forehead vents, and top vents Rear spoilers, top gurney, and chin bar gurneys available separately Forced air attachments available separately for use with external cooling systems M6 terminals for FHR anchor attachment and homologated for use with approved head and neck devices Synthetic rubber gasket seal to prevent dirt and water from entering the helmet Shield and pivot kit: 287 SRV, SRV-1 Colors: White and Matte Black Sizes: XXS, XS, S, M, L, XL