BACK FLEX, Heel bails allow any type of Petzl crampon to be used with shoes without heel welts - Petzl Luxembourg
![Amazon.com : Petzl VASAK Flexlock Crampons - 12-Point Classic Crampons for Mountaineering, Ski Touring, and Glacier Travel : Sports & Outdoors Amazon.com : Petzl VASAK Flexlock Crampons - 12-Point Classic Crampons for Mountaineering, Ski Touring, and Glacier Travel : Sports & Outdoors](https://m.media-amazon.com/images/I/812zTx91qML._UX250_.jpg)
Amazon.com : Petzl VASAK Flexlock Crampons - 12-Point Classic Crampons for Mountaineering, Ski Touring, and Glacier Travel : Sports & Outdoors
![Petzl Vasak Flexlock Crampons – Wild UK – Wild places, and reviews of the equipment that will take you there… Petzl Vasak Flexlock Crampons – Wild UK – Wild places, and reviews of the equipment that will take you there…](https://grahamuney.files.wordpress.com/2015/02/petzl-vasak-2.jpg?w=816)
Petzl Vasak Flexlock Crampons – Wild UK – Wild places, and reviews of the equipment that will take you there…
![Amazon.com : Petzl VASAK Flexlock Crampons - 12-Point Classic Crampons for Mountaineering, Ski Touring, and Glacier Travel : Sports & Outdoors Amazon.com : Petzl VASAK Flexlock Crampons - 12-Point Classic Crampons for Mountaineering, Ski Touring, and Glacier Travel : Sports & Outdoors](https://m.media-amazon.com/images/I/610UiH6sOKL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Petzl VASAK Flexlock Crampons - 12-Point Classic Crampons for Mountaineering, Ski Touring, and Glacier Travel : Sports & Outdoors
![Petzl Vasak Flexlock Crampons – Wild UK – Wild places, and reviews of the equipment that will take you there… Petzl Vasak Flexlock Crampons – Wild UK – Wild places, and reviews of the equipment that will take you there…](https://grahamuney.files.wordpress.com/2015/02/img-20141209-00286.jpg)
Petzl Vasak Flexlock Crampons – Wild UK – Wild places, and reviews of the equipment that will take you there…
![Amazon.com : Petzl VASAK Flexlock Crampons - 12-Point Classic Crampons for Mountaineering, Ski Touring, and Glacier Travel : Sports & Outdoors Amazon.com : Petzl VASAK Flexlock Crampons - 12-Point Classic Crampons for Mountaineering, Ski Touring, and Glacier Travel : Sports & Outdoors](https://m.media-amazon.com/images/I/91j5sneOAwL._CR3,0,1274,720_SR414,234_.jpg)
Amazon.com : Petzl VASAK Flexlock Crampons - 12-Point Classic Crampons for Mountaineering, Ski Touring, and Glacier Travel : Sports & Outdoors
![Petzl Vasak Flexlock Crampons – Wild UK – Wild places, and reviews of the equipment that will take you there… Petzl Vasak Flexlock Crampons – Wild UK – Wild places, and reviews of the equipment that will take you there…](https://grahamuney.files.wordpress.com/2015/02/petzl-vasak-3.jpg)