Tecnifibre X-One Biphase - Natural - String Set Gauge:16 Luxilon 4G is on the

Luxilon 4G is on the firm side of the spectrum

So you know these are high performance goggles

Style #: 670063-131

Ideal for use on 36 foot courts

Vinyl coated polyester is resistant to water

Tecnifibre X-One Biphase - Natural - String Set Gauge:16 Luxilon 4G is on theAccording 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, with its visible marks on the string, extends string life by