Tecnifibre X-One Biphase 16g Natural Tennis String Sofibella long sleeve 17g/19g: Thickest gauge = longest

17g/19g: Thickest gauge = longest lasting

19g: Thicker gauge = more spin bite and feel

30mm gauge adds durability and tension maintenance compared to the 17g — making it the ideal choice for players who want the Velocity MLT’s power and comfort with fewer restrings

Neoprene sleeve provides snug fit to support elbow and contain inflammation

Lightweight

Tecnifibre X-One Biphase 16g Natural Tennis String Sofibella long sleeve 17g/19g: Thickest gauge = longestTecnifibre X One Biphase 16g Tennis String Natural The benchmark multifilament. The Tecnifibre X One Biphase 16g in Natural is widely regarded as one of the finest multifilament strings ever made delivering an exceptional combination of playability, durability, and feel that has made it a favorite among club players, recreational players, and anyone seeking a premium arm friendly alternative to polyester. The X One Biphase's unique biphase