Primus Trail Flow. Women's Size:9 while the removable insoles make

while the removable insoles make cleaning a breeze

Each model combines breathability

Note: this is a recording done live February 11th 2026 -  it has been edited for better quality

This barefoot strength training shoe is engineered to maximize your performance while keeping you connected to the ground

We’ve paired it with our tight-weave abrasion-resistant

Primus Trail Flow. Women's Size:9 while the removable insoles makeThe Primus Trail Flow is a lightweight, trail ready barefoot runner designed for speed, agility, and connection on natural terrain. Built with a wide, foot shaped fit and ultra thin sole, it allows your feet to move freely while maintaining grip and control across varied surfaces. Breathable recycled materials and a stripped back design make it ideal for women who want responsive performance without excess bulk. From fast hikes to trail runs, Primus