Altra Mont Blanc Carbon - Mens Shoe size:11 (US) a waterproof membrane to keep

a waterproof membrane to keep the elements out

and fast for next-level efforts

while the no-sew film maintains the structural integrity of the upper

FF BLAST™ MAX cushioning helps create softer landings and a more energised toe-off during your training

Altra Mont Blanc Carbon - Mens Shoe size:11 (US) a waterproof membrane to keepSay Bonjour to Altras speediest trail shoe to date! With a full length carbon fiber plate, upgraded midsole, and sticky outsole, its ready for fast technical terrain. Toe the starting line of your next trail ultra or set out on all day up and downs with confidence and speed. Its got many of the original Mont Blanc features, but Altra added a full length Carbitex Monoflex carbon plate for extra propulsion, underfoot protection, and stability on all