Experience a new high in a shoe designed to deliver effortless, efficient strides for euphoric miles. It's the first Altra shoe with Altra EGO™ P35 midsole foam, designed for lightweight efficiency, performance, and comfort. An updated heel fit and re-designed upper with engineered mesh improves breathability. With a low 4mm drop and rocker shape geometry, it's a shoe made to help you experience an efficient toe-off and a smooth, quick roll through every stride. It's got a roomy toe box and secure midfoot, so you have plenty of room to help your toes move more freely. That runner's high you're always chasing.Features:- All-new Altra EGO™ P35 midsole foam, for a light and efficient feel- Updated heel fit, designed to improve comfort- Re-designed upper with engineered mesh, made to improve breathabilityForward:- Glide through every stride with a lightweight responsiveness you have to feel to believe. With effortless performance and efficiency, it's a run that's smooth and freeing.Light + efficient midsole:- Altra EGO™ P35 is a lightweight midsole foam, designed to help deliver an effortless, efficient, and comfortable underfoot feel.Efficient toe-off and natural propulsion:- A rocker shape is designed to give the feeling of being propelled forward with each step and provides an efficient toe-off without taking away from your natural stride.Roomy toe box for natural movement:- With Altra's signature FootShape™ fit, you get plenty of room to help your toes move freely, with a secure midfoot.Specifications:- Best For: Road Running, Walking- Upper: Engineered Mesh- Midsole: Altra EGO™ P35- Outsole: Rubber- Weight: 7.05 oz / 199.8 g- Cushion: High- Support: Neutral- FootShape™: Standard