The new Altra DUO, the perfect combo of foot saving max cushion in a lightweight maximum speed package. The durable mesh upper with light TPU overlays coupled with 32 mm of comfy cushion delivers a cushion-to-weight ratio that is hard to beat. If you love lots of cushion but love to feel light on your feet, The Altra DUO is the shoe for you. The shoe is durable and cushioned, and, thanks to the decoupled outsole, it flexes and moves with your feet, not against it. Slip on a pair of DUOs today and experience Speed to the MAX!