Vivobarefoot Primus Trail Flow - Man

The freedom of feeling the ground with every step

When the trail gets uneven, the last thing you need is a shoe that holds you back. This model sets you free: real ground feel, lightness that makes you move, and stability that comes from your own feet. Minimalist inside, ready for adventure outside.

This isn’t the typical “cushioned” trail shoe that hides everything. Here it’s all about sensations: precise landings, free toes, and an immediate response from the terrain. The result is a more mindful, efficient, and enjoyable run (or walk). On tracks, in the woods, or over compact gravel, it flows with you.

The barefoot connection with the terrain

The thin, flexible sole brings you closer to the ground while still providing grip on varied surfaces. The wide toe box lets your toes spread and stabilize every stride, and the zero drop keeps your posture aligned naturally. Less is more: less gimmick, more control.

The upper combines lightweight, durable ripstop fabric with a snug collar fit to keep your foot secure without unnecessary stiffness. It dries quickly, breathes, and withstands daily training.

Recommended use

Light trail running, fast hiking, and mixed routes (forest paths, dirt tracks, parks with inclines). It also works as a hybrid shoe for urban use when you want to keep the barefoot feel.

Why you’ll love it

Because it makes technique simple: free foot, stable landing, and honest traction. It lets you read the terrain and anticipate movement, reducing wasted effort. And when the pace slows, it’s still comfortable enough for easy walking.

Opinion

It doesn’t impress with foam; it impresses with feel. If you want a shoe that follows without interfering, that makes you more agile and leaves you finishing the route with awake, not numb, feet – this is the one. Once you try it, it’s hard to go back.

Care and maintenance

Brush off dirt with a soft brush after each run. Hand wash with cold water and mild soap if needed. Air dry away from direct heat. Do not use washing machine or dryer. To extend the sole’s life, avoid abrasive surfaces when not necessary.

Technical specifications

• Barefoot construction: thin, flexible sole with good trail grip.
• Wide toe box: natural stability and space for forefoot expansion.
• Zero drop: aligned posture and more efficient stride.
• Ripstop textile upper: lightweight, durable, and quick-drying.
• Textile lining and laces for breathable comfort.
• Secure midfoot fit and snug collar for more control on turns.
• Hybrid design: light trail and active daily use.
• Free from unnecessary rigid structures for full foot mobility.

My size in this model

To know your size, the right way is to measure your foot and use the link located below the size selector.

And if you don’t get it right the first time, you will the second.

The size exchange system is simple, fast, and free if you activate the exchange insurance for €1.99 (valid in Spain).

For more information about the fit, read this link.