MARTIN ERA Jason Isbell Strings Light 12-54

Six-time GRAMMY® winner Jason Isbell helped design the Martin Era Artist Light strings to deliver the tone, feel, and dependability he needs on tour. Featuring a traditional SP® core for strength and familiar response, plus Lifespan treatment for long-lasting clarity, these strings are built to perform under pressure—night after night. Developed with Jason Isbell – Tuned to his tone and playing style. SP Core Construction – Strong, stable, and responsive. Lifespan Treated – Extends life without sacrificing feel. Stage-Ready Design – Holds tuning through every performance.