Inspired by Sidi’s top-off-the-range Crossfire 2, Sidi prouly presents it’s little brother, the X-3. Fresh Colors & Design, this boot is ready for everything. Lined with air Teflon mesh & Cambrelle Upper in leather & Microfiber material Fully replaceable & adjustable spare parts Micro & replaceable Adjustable buckles Dual Flex System New adjustable system of the area between the protective calf-exaust & the front of the boot to allow a rider with a wider calf to be very comfortable. Nylon Inner sole MX-Ideal Sole This item cannot be shipped to the United States & Canada.