Vivobarefoot Primus Trail Flow Mens Storm Cloud Boots whether you're running or working

whether you're running or working out

With an already mechanically recyclable outsole

and off-road exploration

107g (Preschool Size EU 28) Heel-to-Toe Drop 0mm Stack Height 4mm (2mm base + 2mm lug depth) Midsole No traditional midsole for maximum flexibility and natural movement Outsole Kids Urban Play outsole with sticky rubber grip for playgrounds

Our oldest official trail model whose humble beginnings started in 2010 when it was able to complete the extraordinarily tough 100 mile trail race in the mountains of Colorado

Vivobarefoot Primus Trail Flow Mens Storm Cloud Boots whether you're running or workingThe Primus Trail Flow is a lightweight, high performance barefoot trail runner built for moving naturally across varied terrain. With a breathable recycled mesh upper and a grippy, low profile outsole, it delivers strong ground feel while keeping you agile and connected. Designed for responsive movement, its ideal for trail runs, hikes, and off road exploration. Specifications Weight ~240g (per shoe, size dependent) Heel to Toe Drop 0mm (Zero Drop)