Fizik M5B MTB shoes black / gray The M5B cycling shoes. Made of durable yet breathable laser-perforated Microtex and scratch-resistant leather, along with a UD reinforced sole with removable skid plate and a Boa IP1 closure system, they are lightweight and rigid, made for mountain enjoyment. Weight 360 gr (SIZE 43) Fizik M5B MTB shoes black / gray The M5B cycling shoes. Made of durable yet breathable laser-perforated Microtex and scratch-resistant leather, along with a UD reinforced sole with removable skid plate and a Boa IP1 closure system, they are lightweight and rigid, made for mountain enjoyment. Features: Materials: Laser-perforated Microtex / anti-scratch leather Closure system: Boa IP1 Sole: Carbon reinforced nylon Insole: fi'zi cycling insole: k Weight 360 gr (SIZE 43)