The Sidi Kit Flex is a versatile replacement part compatible with multiple boots, including the Adventure 2 Gore, X-3, X-3 Enduro, X-3 Lei, and Flame models. This flexible system enhances the movement of the boots without compromising durability. Designed for comfort and improved boot functionality, the Kit Flex ensures that your boots perform at their peak during any off-road or adventure ride. Sidi Kit Flex