BOSS embraces relaxed clean lines for spring-summer 2019. The German brand unveils its commercial line with a lookbook starring models Finnlay Davis and Tim Schuhmacher. The season's color palette transitions from dark to light with the occasional bright hue. Achieving a smart balancing act, BOSS pieces together a wardrobe of tailored and sporty pieces. Must-haves include key items such as the trench coat, windbreaker, suit, and pleated shorts.