Women's Mont Blanc Speed mphantom4wp Designed to be worn without

Designed to be worn without socks

Using advanced LED and fiber optic technology

The lightweight MOTION WRAP™ 3

Protective overlays and a durable rubber outsole make this shoe tough enough for high-intensity sessions

Women's Mont Blanc Speed mphantom4wp Designed to be worn withoutFast Feet Meet Rugged Trails. Take on technical terrain with speed and confidence in the Altra Womens Mont Blanc Speed. Designed for high performance trail running, this lightweight shoe combines comfort and grip with race ready responsiveness. Its dual density rim and core midsole pairs plush Altra EGO MAX cushioning with energetic Altra EGO PRO foam, giving you a soft yet powerful stride on long trail days. The Vibram Megagrip outsole with Litebase