FASHIONPhotos: Carbon38’s Co-Founders Work Out in StyleKatie Warner Johnson and Caroline Gogolak share their secrets to success.by Sue WilliamsonJan. 4, 20161Caroline Gogolak and Katie Warner Johnson. Courtesy of Carbon38.2Photo by @carbon38.3Photo by @carbon38.4Photo by @carbon38.5Photo by @carbon38.6Photo by @carbon38.7Photo by @carbon38.