Sparco K-Track Rib Protector The Sparco K-Track is a hybrid rib protector vest which is lightweight and flexible. It has been developed to surpass the latest FIA 8870-2018 homologation which means it offers the driver, the highest levels of safety and protection. The Sparco K-Track has a sternum plate for added protection. The sides have multiple adjustments and a soft stretch inner liner which allows the K-track to conform to the shape of the driver in the seated position for added comfort. The K-Track is available in multiple sizes. FIA 8870-2018 Homologated Youth sizes 120cm - 60-63cm Chest 130cm - 64-68cm Chest 140cm - 68-71cm Chest 150cm - 72-76cm Chest Adult sizes XXS - 80-84cm Chest XS - 86-89cm Chest S - 94-97cm Chest M - 102-105cm Chest L - 110-113cm Chest Technology FIA 8870-2018 Approved Lightweight and Flexible Soft Stretch Inner Liner Multiple Adjustments Available in Multiple Sizes