The Vivobarefoot Primus Lite 3.5 (Mens) – Obsidian is our original barefoot training all-rounder, reimagined with a new upper to take us closer to circularity. Designed to promote natural movement and build foot strength, it’s ideal for running, cross-training, and a variety of workouts—whether you’re an experienced barefoot athlete or just starting out.

With the ultra-thin Primus outsole for maximum ground feel, breathable mesh for lightweight comfort, and a 98% recycled Ortholite insole, it delivers high performance with a lower environmental impact.

Features:

• Primus outsole – thin, flexible, and engineered for optimal ground connection

• Ortholite Performance Insole – made from 98% recycled polyurethane foam to reduce waste and virgin plastic use

• Breathable mesh upper – lightweight, ventilated, and comfortable

• Zero-drop design for natural posture and alignment

• Ideal for running, cross-training, and varied training disciplines