The Cylinder II mountain bike shoe offers pleasant comfort with the simplicity and precision of a Boa fastening system. With a single dial and a set-and-forget Velcro closure on the forefoot, you can put on your shoes and start your tour in no time at all. The Boa L6 dial offers 1mm adjustment increments when tightening and a macro release function for taking off your shoes. The upper construction offers excellent support and breathability, while the co-moulded nylon outsole with rubber tread offers remarkable durability with reliable traction on almost any surface.