Altra Mont Blanc BOA Trail Running Shoes Dial in your perfect fit with the Mont Blanc BOA ultimate long-distance trail running shoe. All the same Mont Blanc features you know and love with PerformFit Wrap powered by a two-dial BOA Fit System, which allows for precise and quick adjustments when you're on the run. Tackle your toughest long-distance trail miles but keep them comfortable with Altra's Standard Footshape Fit and Altra EGO MAX midsole foam. Whether you're toeing the line at an ultramarathon or setting out on a hometown trail running adventure, the Mont Blanc BOA is ready to fly over the most rugged terrain. Lightweight, Hyper Breathable Upper Featuring strategically placed, lightweight, hyper breathable fabrics encase your feet in providing the utmost comfort for your feet to thrive under pressure. This sensational upper works to keep feet feeling cool and comfortable, by removing excess heat and replacing it with cool, fresh air. This allows you to remain comfortable whilst your blazing the trail and maintains your focus. The lightweight, breathable materials reduce unwanted bulk to help keep you focused and moving, whilst the Standard Footshape technology allows your toes to relax and spread out naturally for more comfort and stability in uphill climbs and downhill descents. Completing the upper construction of the Mont Blanc trail shoes is a two-dial BOA Fit System that provides easily adjusted and secure lacing. Easy to adjust and release, the laces will provide a secure grip on the foot over an extremely long period of time. Altra EGO MAX Midsole The midsole unit utilises the tried-and-true Altra EGO MAX midsole foam providing you with all the light and luxurious performance needed in a trail shoe, alongside an additional level of bounce and durability for total comfort and control on the trail. The midsole works to reduce the impact being placed on joints, lessening the potential for injuries