The Primus Flow is the newest member of the Primus family

Use a waterproof sock for cold / wet conditions

and boosting performance

no-BS shoes we’ve ever crafted

Trail Thrasher Pro Waterproof affiliate The Primus Flow is theBuilt with the same proven construction and fit as the original Trail Thrasher, now enhanced for year round exploration. As our first waterproof sneaker, it marks a new chapter in trail ready versatility, combining trusted design with waterproof protection keeping your feet dry against the elements. The Trail Thrasher Pro is our first sneaker that utilizes the Vibram Megagrip outsole, delivering top tier traction on wet and dry surfaces alike. Known