A video preview of the Karhu Flow 3 Trainer and Flow Light models. The shoe's fulcrum technology coupled with a lightweight and responsive package makes for a winning combination. The Flow 3 Trainer and Flow Light are designed for neutral runners seeking a lightweight ride and a medium drop (8mm).
Shop men's and women's Flow 3 Trainers and Flow Lights here: http://www.holabirdsports.com/catalogsearch/result/?q=flow