Run Baby, Run–The February 2013 issue of Details magazine features a sport-themed editorial, lensed by Bruno Staub, starring model Arthur Kulkov. Captured in a series of outdoor images on a day of intense workout, Arthur is styled by Matthew Marden in the ideal sporty wardrobe. Combining essential pieces, designed with hi-tech fabrics, and colored in vivid hues or neon shades, Arthur is ready to sweat and run in the most fashionable way possible. / Grooming by Cheri Keating.