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Flow 6 IRE / Fluid 5 MRE

Amplified Rolling Effect for every runner.
Continuing the pursuit of effcient running, Karhu launches two entirely new models focused on an amplified Rolling Effect.
The lightweight Flow 6 IRE,

which stands for Increased Rolling Effect, features a shorter Fulcrum lever to assist a performance oriented runner with a faster transition from heel to toe. The entirely seamless upper is aggressively designed with Karhu’s restyled bear logo laterally and a supportive welding system on the medial side for a snug fit. The extended toe box provides a lightweight shell for a proper fit during cornering and toe off.
The versatile Fluid 5 MRE,

which stands for Maximum Rolling Effect, features an asymmetrical Fulcrum lever. This lever propels the runner forward while the additional medial volume ensures a supportive platform. The softer forefoot midsole allows for a smooth transition to the push o phase. The upper utilizes an integrated lacing system for a personalized fit in the midfoot while the forefoot mesh allows for toe off without any obstructing overlays.
Weighing in at 300g/10.5 oz. and with a heel to forefoot o set of 20mm/12mm, this everyday training model chases performance and comfort simultaneously to deliver a highly efficient rolling effect for all pursuits.
The Flow6 IRE weighs in at a mere 260g/9 oz. and with a heel to forefoot o set of 18mm/12mm, this flexible trainer ensures you will pursue personal best performances and break finishing tapes this spring.
Each model comes with a new precision molded insole that hugs the runner’s foot for a comfortable step in fit and feel. The midsoles of both the Flow 6 IRE and Fluid 5 MRE are made from two types of foam: a Protect Foam compound improves shock absorption while the Propel Foam used in the Fulcrum encourages the rolling effect.

Paying homage to Karhu’s 100 year anniversary in 2016, both models come in Finnish Blue and present the revamped bear logo.





About Karhu
KARHU, meaning “bear” in Finnish, is a leading running brand in Europe and has provided technical running and outdoor gear for 100 years. With an authentic heritage in running and a deep connection to the outdoors, KARHU follows the Finnish principles of design simplicity and running purity. KARHU shoes have been worn on the feet of the greatest Finnish runners, including Boston Marathon champion Olavi Suomalainen and Olympic champ Paavo Nurmi. KARHU shoes and apparel are sold globally at running and lifestyle specialty retailers.

Photo credit: Runnerwally
We are proud to continue our work with Berlin based sneaker blogger and photographer Runnerwally.