Spidi GP Leather Jacket The tight fitting, that improves air penetration, makes this leather jacket particularly suitable for racing & naked bikes. bovine leather 1 mm thick wide Tenax Flex inserts on waist & armholes improve fitting & ergonomics Multitech protectors on shoulders & elbows Arranged to hold a Warrior back protector Zip fastening & clip-stop system to join jacket & trousers Zip perimetrale e clip-stop per aggancio ai pantaloni Optional Step-in clothing system: by purchasing waterproof Rain Chest lining and/or padded Thermo Liner this jacket can adapt to all climates