Cover more ground in the speedy Altra Mont Blanc Carbon trail shoe. With a full-length carbon fiber plate, upgraded midsole and sticky outsole, the Mont Blanc Carbon is ready for your next ultramarathon, trail run or mad dash back to the trailhead when the storm clouds roll in. Details: Upper: Altra’s signature FootShape™ toe box gives your toes plenty of space to move freely. The ultra-lightweight and breathable upper keeps your midfoot secure to navigate technical terrain and top speed. Midsole: A dual-density midsole features an Altra EGO MAX™rim that surrounds Altra EGO PRO™ foam in the core for all-day comfort and race-ready performance. A full-length Carbitex™ Monoflex carbon plate brings extra propulsion, underfoot protection and stability no matter where your run takes you.Outsole: Stick it to the trail with a combination of Vibram® Litebase to reduce outsole weight and Vibram® Megagrip for unparalleled grip on both wet and dry surfaces.