A trail and winter shoe that maintains a dry and comfortable micro climate during intense activity thanks to the BUGdri membrane. The MR4 Dry is built with excellent flexibility and protection for the foot. It combines shock absorption with stability and ground control – well suited for training as well as racing. Slippery trails – wet or even icy – turns from nightmare to joy ride with the BUGrip® technology. Up-grades: Increased in-step width for easier entry.