Desctiption Karhu - Aria "Kataja" Bone | Dune | Charcoal (N43k4440) The highly anticipated unveiling of the Karhu Aria celebrates 90's footwear technology with style. Originally released 20 years ago as a performance trainer, the Aria debuted when injection molding midsoles was at the forefront of footwear engineering. The advancements in construction allowed EVA midsoles shapes to become more complex and aesthetically captivating. • Mesh underlay.• Injection molding midsole.• EVA midsole.• Fulcrum technology.• Part of Karhu's "Birch & Juniper" Pack. Shipping Weight: :0.52kg