The Primus Flow Knit combines lightweight barefoot performance with adaptive, sock-like comfort. A seamless knit upper moves naturally with your foot while staying breathable and secure, and the ultra-thin sole keeps you closely connected to the ground. Built for natural movement, it’s ideal for running, training, and everyday flow where flexibility and feel matter most.
| Weight | ~128g (size dependent) |
| Heel-to-Toe Drop | 0mm (Zero Drop) |
| Stack Height | ~6mm total (4mm midsole + 2mm outsole) |
| Outsole | Primus Flow outsole for flexibility, grip, and ground feel |
| Upper | Seamless 360° knit upper (recycled materials) for breathable, sock-like fit |
| Footbed | No insole for maximum ground connection |
| Fit | Wide, foot-shaped design for natural toe splay |
| Best Use | Running, Training, Travel, Everyday Wear |
WHY VIVOBAREFOOT IS DIFFERENT
Vivobarefoot shoes are designed to let your feet move naturally. With a wide toe box, thin flexible sole, and zero-drop platform, they allow your feet to function the way they were designed to. Traditional shoes often add cushioning and structure that can reduce natural movement and sensory feedback.
| Feature | Vivobarefoot | Traditional Shoes |
|---|---|---|
| Toe Box | Wide and foot-shaped for natural toe splay | Narrow and tapered |
| Sole | Thin and flexible for ground feel | Thick and cushioned |
| Heel Drop | Zero drop for natural posture | Raised heel alters posture |
| Movement | Encourages natural foot strength and mobility | Supports and restricts natural movement |
| Purpose | Designed to reconnect you with natural movement | Designed mainly for cushioning and control |













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