Altra Mont Blanc Speed Running Shoe – Men's under-25 Merino wool blend regulates temperature

Merino wool blend regulates temperature and wicks moisture to keep feet dry across changing conditions

NB ICEx fast-drying technology pulls heat away fast

RDS-certified 550-fill down delivers reliable warmth

or zip them together for full cold-weather coverage

Spacious main compartment fits books

Altra Mont Blanc Speed Running Shoe – Men's under-25 Merino wool blend regulates temperatureBuilt for competitive trail runners who want real speed without sacrificing grip or protection, the Mont Blanc Speed is our pick for fast training days and race efforts on technical terrain. Vibram Megagrip outsole handles wet and dry surfaces, while the dual EGO compound midsole MAX on the rim, PRO in the core gives you responsive cushioning that doesn't weigh you down. Vibram Megagrip outsole delivers reliable traction on wet and dry trail surfaces