The Primus Flow is the newest member of the Primus family, designed for pinnacle barefoot running performance. Built for efficient and unrestricted natural movement, this ultra-lightweight runner – Vivobarefoot's lightest ever – weighs in at just 150g. Its lightweight, breathable ...The Primus Flow is the newest member of the Primus family, designed for pinnacle barefoot running performance.
Built for efficient and unrestricted natural movement, this ultra-lightweight runner – Vivobarefoot's lightest ever – weighs in at just 150g. Its lightweight, breathable upper made from engineered recycled mesh forgoes overlays in favour of a stripped-back, seamless construction.