John Mayer, JLR Defender & PRS Guitars collab results in JOHN MAYER SILVER SKY DEFENDER GUITARS. PRS Guitars today announced the Silver Sky Defender Color Collection, a series of eight limited-edition guitars designed in collaboration between PRS Signature Artist John Mayer and the British 4x4 brand. The lineup includes four classic Land Rover Defender colorways on the US-made Silver Sky and four contemporary Defender colorways on the SE Silver Sky. The US-made guitars will be limited to 50...