Quick to install and easy to use

The Primus Flow is the newest member of the Primus family

and boosting performance

Use a waterproof sock for cold / wet conditions

and carry yourself in barefoot comfort

Trail Thrasher Pro Waterproof affiliate Quick to install and easyBuilt 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