One of our longest-running recurring collections, born from a collaboration between two of our longest-tenured contributors. Wattie Ink. designer Brittany Arcila and professional triathlete Rachel McBride have worked together on all of Rach's race kits, a partnership that includes updating our always-popular Super Kitty collection. We touched base with Rach and Brittany, and here's what the two had to say. Read on, and then we hope you decide to join the Super Kitty "superhero club."