Mens Vivobarefoot Primus Trail 3.5 FG Size:44 Featuring our best-selling Speedo Biofuse®

Featuring our best-selling Speedo Biofuse® technology

Rechargeable: Micro-USB compatible

Breathable Mesh Upper: Offers ventilation and support to keep your feet cool and secure during high-intensity races

The Alphafly 3 features a unique combination of two forefoot Air Zoom units and ZoomX foam

Mens Vivobarefoot Primus Trail 3.5 FG Size:44 Featuring our best-selling Speedo Biofuse®Vivobarefoot Primus Trail 3. 5 FG: Your Gateway to Natural Trail Adventures Step off the beaten path and into a world of natural movement with the Vivobarefoot Primus Trail 3. 5 FG. This barefoot trail shoe is designed for walking, running, and exploring natures diverse terrains. Built with lightweight, durable, and flexible materials, it empowers your feet to move as they were meant tofree, strong, and connected to the ground. Whether youre