Flowline is our latest addition to the MTB category, incorporating our best technical innovations in a comfortable, technical, yet affordable kit. Flowline trail shorts are aimed at the enthusiast mountain biker with minimalist features, the quality, fit and feel you expect from Troy Lee Designs. Flowline trail shorts are aimed at the enthusiast mountain biker with minimalist features, but the quality, fit and feel you expect from Troy Lee Designs. Flowline trail shorts are aimed at the enthusiast mountain biker with minimalist features, but the quality, fit and feel you expect