Vivobarefoot Primus Lite III are lightweight trainers engineered for natural movement and functional training. They pair a thin, flexible Primus outsole with an OrthoLite insole and synthetic upper for low‑profile comfort and stability. Key attributes: Yellow | Synthetic | Puncture-resistant sole | Thin, flexible Primus outsole (performance outsole) | Lightweight construction | OrthoLite insole for cushioning | Stabilising TPU overlays | Pro5 puncture-resistant finish on the sole | Wide toe box | Foot-shaped last | Low-profile minimalist trainer | Dimensions & fit: Wide fit for natural stability | Foot-shaped last to allow natural toe splay | Composition & care: Synthetic upper | OrthoLite insole | Primus outsole | TPU overlays | Pro5 puncture-resistant sole finish