Fiber:  USPTO Patented technology - 65% RAPIDriCOPPER™

Rubber heel for added slip protection

they’re the natural partner to everything from swimwear to summer fits

sustainable fur is sourced from Italy

sun-soaked trails and rocky summits

Vivobarefoot Men's Primus Lite IV All Weather - Obsidian Size:47 Fiber: USPTO Patented technology -Train hard while treading lightly on the planet. The Primus Lite III is Vivo's hero trainer and its minimalist design lets your feet move in the most natural way possible. Building strength for every run, walk and workout. WIDE to allow for healthy foot spread and natural stability, THIN to enable you to feel more and move skillfully, and FLEXIBLE to build foot strength enable natural movement. (Re)new and improved remade with more sustainable