ALTRA ESCALANTE 4 WOMEN'S Shoe size:8.5 Next-generation optical heart rate and

Next-generation optical heart rate and SpO2 sensors

Rubber outsole

comfortable runs

The Ghost 18 also uses a newly designed soft and flexible flat knit tongue

A comfortable pair of tights with moisture-wicking technologies and reflective details

ALTRA ESCALANTE 4 WOMEN'S Shoe size:8.5 Next-generation optical heart rate andSimplified and refreshed. Altra built the Escalante 4 as a nod to the fan favourite Escalante 1. 5, with FootShape fit, greater flexibility and a lighter weight. Tackle fast training runs, daily walks or errands in this streamlined and versatile road mile destroyer. Slide on breathable comfort in the new Escalante 4. The upper has been reimagined for an ultra sleek look and feel for distraction free strides, swathing your foot in breathable comfort.