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Shoe of the Week: Karhu Fluid5 MRE

Finnish footwear company Karhu's Fluid5 MRE is known for its Fulcrum technology, which allows for smoother transition from mid to forefoot.

Karhu is a 100-year-old Finnish footwear company that has a long legacy in running shoes. In keeping with its Fulcrum technology—a design that incorporates a wedge of firmer material to help propel the foot as it moves through the gait cycle—Karhu’s Fluid5 MRE is all about an efficient roll-through to boost propulsion with different foam densities, using a firmer material in the rear and mid-foot and combining that with a cradling rail guard to dampen shock. (The “MRE” in the name of the shoe stands for Maximum Rolling Effect.) The half-length Fulcrum piece allows for a more pronounced transition from the mid to the forefoot. These snazzy Finnish fliers are relatively light in weight, considering the generous amount of support and protection they offer. (It’s a mostly neutral-oriented shoe, but its chassis does provide a decent amount of inherent support.)

The newly-designed Fluid5 features a modified lacing system to allow for more air flow through vented windows that are secured by way of the welded seamless upper. The forefoot was designed to avoid overlays that irritate bunions and pressure on the metatarsal heads. All of this comes together for a fine cruiser that is best suited for training runs, when comfort and support are more important than pure, barren speed. The Fluid5 is a workhorse that accommodates heavy runners and those logging hefty base miles.

This is the shoe for you if … you’re looking for a durable, well-cushioned high-mileage trainer for half marathon and marathon training.

Price: $130
Weights: 10.5 oz. (men’s), 8.9 oz. (women’s)
Heel-Toe Offset: 8mm; 20mm (heel), 12mm (forefoot)
Info: karhu.com

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