The Primus Lite III is VIVOBAREFOOT’s most iconic barefoot training shoe, designed around the idea of “letting your feet move naturally.” Its outsole is only about 2 mm thick and features a Pro5 puncture‑resistant layer, providing effective protection while preserving ground feedback. The upper is made from recycled polyester mesh, offering excellent breathability, eco‑friendliness, and an animal‑free construction. The wide toe box follows the natural shape of the foot, making it suitable for wide feet and flat‑footed users. Overall, the shoe feels extremely thin and flexible, ideal for walking, gym training, light running, and everyday wear. It is beginner‑friendly for those new to barefoot footwear, though gradual adaptation is still recommended to avoid foot discomfort. If you’re looking for a barefoot shoe that promotes natural gait, enhances body awareness, and supports versatile training, the Primus Lite III is one of the most reliable and practical options in the VIVOBAREFOOT lineup.