Vivobarefoot Primus Lite Knit Trainer - Men's sun-shirt 4 Degree elite fit system

4 Degree elite fit system keeps the sock locked in place with zero bunching or slipping

Forward-rolled shoulder seams eliminate friction and chafing where pack straps and vest harnesses make contact

When the miles are long and the boots are heavy

the Run Visible Insulated Vest is our pick for women who refuse to slow down when temps drop

and more comfort across long efforts in Southern heat

Vivobarefoot Primus Lite Knit Trainer - Men's sun-shirt 4 Degree elite fit systemTrain, move, and live with natural freedom in the Vivobarefoot Primus Lite Knit, now available at Grivet Outdoors. Designed for lightweight versatility, this barefoot trainer features a breathable knitted upper for adaptive fit and comfort, while the ultra thin sole promotes natural foot movement and sensory connection. Perfect for workouts, daily wear, or simply strengthening your feet, its crafted with sustainable materials that reduce environmental