Shimano XC61 Mountain Shoes. The Shimano XC61 mountain shoes are designed for flat out, go for broke performance in the cross country mountain bike as well as cyclocross realms. True to Shimano's Power to the Pedal ethos, these shoes feature a carbon fiber reinforced cleat plate in conjunction with a glass reinforced nylon midsole that's stiff and lightweight. Its synthetic leather upper is both supple and tough while the retention system comprised of a micro adjust buckle and two Cross X Velcro straps ensures a perfect fit every outing. The shoes' outsole delivers a lower stack height for optimal pedaling ergonomics while the polyurethane lugs provide all the traction you need for off the bike endeavors.