Staff Alana Blanchard, Kelia Moniz, Gerry Lopez, Jack Freestone, Jamie O’Brien, and Italo Ferreira, all sporting Cariuma Shoes. Image: Cariuma For a brand, a solid roster of athletes is just about the best marketing it can have. Fans trust their favorite athletes, after all, and often the athletes have a larger following than the brand itself. But it can be exceedingly hard for a relatively new company to build a team with any real pull — athletes need to eat, and established companies often have way more cash to slop around the marketplace, regardless of the quality of the prod...