Martin SP Lifespan strings are the next level in studio performance. Treated for long life, they repel dirt, grit, and other environmental elements that can quickly alter the sound of your strings. The treatment is so skinny that you won't even know it's there. SP Lifespans are designed to last longer and sound better so you can play on!
FEATURES
Treated with Martin's Clear Tone proprietary technology for a longer lifespan than regular strings
Designed to repel the oils and dirt that can deaden strings
