Primus Trail Flow. Men's Performance the Mariner blends classic boat

the Mariner blends classic boat shoe aesthetics with minimalist comfort

Zero-Drop Sole – Supports natural alignment and posture

helping reduce fatigue during runs and workouts

making every step feel grounded yet easy

Primus Trail Flow. Men's Performance the Mariner blends classic boatThe Primus Trail Flow is a lightweight, high performance barefoot trail runner built for speed, agility, and connection across natural terrain. Designed with a wide, foot shaped fit and ultra thin sole, it allows your feet to move freely while maintaining grip and control on varied surfaces. Breathable recycled materials and a streamlined build keep it light and responsive without unnecessary bulk. From fast hikes to trail runs, Primus Trail Flow