Karhu Flow 3 Trainers provide lightweight efficiency and a highly responsive forward ride for the performance and competitive neutral runner in you. Pulling double duty, these shoes are durable enough to be your everyday trainer yet the flat sole makes it a great choice for races.

Upper: Anatomically sculpted air mesh and minimal low-profile side vamps ensure breathability throughout the forefoot and instep while forming supportive medial and lateral side saddles. The tongue is anatomically mapped around the instep and features a soft touch logo that provides comfort and protection from the laces while not interfering with fit. HF welded eyelets, a precision welded toe tip and mountain M with reflective Bear logo provides lightweight support in the quarter panel with added reflectivity and durability. Reflective heel logo provides increased visibility in low light conditions. Dual-pronged memory foam heel collar provides an ergonomic fit with heel lock. Moisture wicking fabric in the lining provides in-shoe moisture management.

Midsole: EVA padded lasting board provides step in comfort. Precision engineered compression molded EVA midsole with tuned durometers provides ultimate forward efficiency. A directly placed 70 durometer EVA fulcrum propels runners transition onto their forefoot and into toe-off efficiently, reducing breakdown forces and heel drop in the landing phase. Compression molded EVA insole provides increasedarch support, moisture management with a great step-in feel.

Outsole: Wearable EVA outsole with expanded areas of compression molded rubber in key abrasion areas and a center deflection channel provides ultra-lightweight performance traction with great durability and landing comfort.

The March 2013 edition of Competitor magazine names these shoes a Modern Classic. Its versatile for several types of running, from long slow distances and tempo runs, to speed workouts and racing from distances 5K to the marathon.