vivobarefoot Primus Lite Knit Women's Training Shoes Women BOOST midsole

BOOST midsole

Thanks to the shoe's higher stack height

An Altra classic is here with an all-new modern look

Ultraboost Light features a narrower heel fit plus a lower instep curve designed help to reduce heel slip and blisters

The breathable fabric has additional ventilation zones that help keep your feet sweat-free and thus prevent blisters

vivobarefoot Primus Lite Knit Women's Training Shoes Women BOOST midsoleColor: Obsidian Ready to feel what your feet are capable of? The Primus Lite Knit is the evolution of our superb barefoot training range. With an ultra thin sole and flexible knit upper, it guarantees foot strength and mobility through running, gym workouts and cross training.