Giro Womens Cylinder MTB ShoesDetails THE WOMEN'S CYLINDER MOUNTAIN BIKE SHOE OFFERS EXCEPTIONAL COMFORT WITH THE QUICK ADJUSTMENT PROVIDED BY A BOA DIAL. With a single dial and a set and forget front strap, you can quickly get in your shoes and hit the trails. The Boa L6 dial offers 1mm adjustment increments when tightening, and a macro release function to get out of the shoe. Meanwhile, the co molded nylon and rubber lugged outsole provides high traction and durability. Specs