Tecnifibre X-One Biphase - Red - String Set footwear-size-6 By designing this string with

By designing this string with high-tech

Great for autographs

Cushioning at key zones for targeted comfort

X-Small - fits 7-11" forearms

A great gift for the tennis enthusiast to show off their favourite sport both on and off the tennis court

Tecnifibre X-One Biphase - Red - String Set footwear-size-6 By designing this string withStand out with cool red strings in a high quality string. According to Tecnifibre, the X One Biphase string uses High Heat Capacity (H2C) fibers, which allows the use of an innovative chemical treatment process called Trimerization. This new process increases the cohesion between chemical molecule links through extreme variations in temperature to result in ultimate dynamic efficiency (power) and exceptional feel. The new patented Biphasic process,