Altra Escalante 4 women's Colour:Black | Iridescent The COREFX Power Tubes incorporate

The COREFX Power Tubes incorporate resistance to help strengthen

Rechargeable with a magnetic USB charging cable

it combines an ultra-aggressive feel with the responsiveness of an Air Zoom unit to propel the speediest sprinters on the planet

the adjustable back straps help you personalize the fit

Designed with patented Targeted Compression for superior comfort and support plus Light Cushion for added impact protection

Altra Escalante 4 women's Colour:Black | Iridescent The COREFX Power Tubes incorporateFLAT OUT SPEED. Move the way you were designed to. Simplified and refreshed. The Escalante 4 was designed as a nod to the fan favorite Escalante 1. 5, with FootShape fit, greater flexibility, and a lighter weight. Give your toes room to spread for natural support and Altra EGO cushioning underfoot for soft road feel. Stay connected to the road ahead! UPPER Engineered mesh for lightweight breathability. Naturally comfy with the Standard Footshape Fit