CORROSION-RESISTANT, EXTENDED LIFE - A tremendous leap forward in coating technology allows the string windings to be completely protected from contaminants for incredibly long-lasting tone & maximum life. | SMOOTH, FAST FEEL - With an ultra-thin film coating on every wound string and our proprietary polymer treatment on the plain steels, XS has a smooth, fast feel, providing an inspiring experiencewith every sweep, slide and bend on every string. | RESEALABLE PACKAGE - These new XS Acoustic items will feature our 100% recyclable packaging including our premium re-sealable VCI bag, so every set is kept factory fresh until you’re ready to experience the ultimate upgrade in tone, feel, life, and tuning stability. | STAYS IN TUNE, STRONGER STRING - Incredible strength with NY Steel at its core. XS offers greater break strength and unmatched tuning stability, enhanced by our proprietary Fusion Twist technology and reduced friction at the nut and bridge. Tune less, play more. | BRIGHT TONE - 80/20 Bronze are our brightest acoustic guitar strings, made to give your tone an unparalleled shine. With the addition of our revolutionary XS coating, our bold, bright 80/20 strings obtain maximum life, with an uncommonly smooth feel.