Fit: Regular. We recommend taking 1/2 a size up. The Fusion 2.0 trainers from Karhu are athletic trainers crafted from suede and mesh for a comfortable and breathable running shoe. The evolution of the original iconic Fusion trainers, these are the ultimate in sporty and casual footwear. Featuring rope laces, a pull tab, and reflective details. Product Details: Material: Suede and synthetic meshes Rope laces Pull tab Reflective details Product SKU: F804152 Fusion 2.0 Trainers - grey