Macna Utility Olsan Jacket - BlackMacna Utility Olsan Jacket The Olsan is a leather mesh utility jacket suitable for for all kinds of riders in hot riding conditions. The Olsan consists of mesh fabric at the front and inside of the arms, and leather in critical areas. The mesh fabric forms our Air Burst differentiator that takes in air to cool the body, and leather provides abrasion resistance where it is needed most. Our RISC Level 1 impact protectors are present at the shoulders and