Vivobarefoot - Primus Trail 3.5 FG - Insignia Blue - Men's Size:EU47 / UK12 / US13 These electrolyte capsules are packed

These electrolyte capsules are packed with sodium

Strategically placed rubber on the outsole offers excellent durability and traction in high abrasion areas

Secondary fabric: 80% recycled polyester 14% elastane 5% polyester 1% carbon

Extreme breathability and weather-resistant: stay protected and comfortable in all conditions

Everything you could want in a trail running top

Vivobarefoot - Primus Trail 3.5 FG - Insignia Blue - Men's Size:EU47 / UK12 / US13 These electrolyte capsules are packedHit the trail to rewild yourself and reconnect with nature. The Primus Trail 3. 5 FG is a light, durable, flexible trail running trainer that brings us one step closer to circular footwear. The Primus Trail 3. 5 FG is for runners who live for the end of the road. These all terrain trainers are light and flexible enough to move freely, and tough enough to run wild on rough, rocky ground. Made with recycled, vegan, high performance materials.