M Karhu Fusion 5.0

Meet the new Men’s Fusion 5.0 in Antarctica / Turbulence. The updated silhouette ushers in a brand-new era for our trusted neutral trainer. Designed for runners seeking a balanced blend of cushioning and performance, the new Fusion 5.0 features a 6mm heel-toe offset, more robust foam package, refined fit, and a redesigned Fulcrum for a silky-smooth experience that you’ll want to run again and again.

The Fusion 5.0 is ideal for long runs and faster workouts.

Size advice: Order 0.5 size bigger compared to your regular size.

We are happy to accept exchanges & returns with the receipt or proof of purchase. Please note that unworn merchandise (excluding bras & underwear) with all original packaging and tags can be returned within 30 days. We will assess products for manufacturer’s defects within 90 days of purchase. Anything beyond 90 days will not be accepted.

We are unfortunately unable to provide free return shipping labels for online purchases.