Inspired by Chicago and the great jazz musicians that rose to prominence in this area. Inspired by the iconic alto saxophonist "Cannonball” Adderley. A bold, modern update to a classic aviator shape. Frame is constructed of stainless steel and featuring oversized block hinges. Temple tips are made from high quality Japanese acetate. Lenses are unique with a flat, zero base curve. They are treated with an anti-reflective coating and offer 100% UV A and B protection. Case and cleaning cloth included.