Martin "Authentic" Lifespan 2.0 Treated Acoustic Guitar Strings (12-String)

Martin Authentic Acoustic Lifespan 2.0 Strings Martin’s next-generation Lifespan 2.0 strings feature a patented anti-corrosion treatment that protects both core and wrap wire—extending string life without sacrificing tone or feel. Engineered for longevity and consistent performance, these coated strings deliver the clarity and warmth Martin is known for. Precision-built to meet Martin’s high standards, Lifespan 2.0 strings offer a reliable, great-sounding solution for players who want long-lasting tone they can count on.