The 1st multifilaments co-polyester. For the first time Tecnifibre has an answer to the following stress: how to ensure performance players the ability to maintain a consistent and deep ball length throughout their match while ensuring a firm touch to generate spin and a very good lifespan. Welcome to Triax! A superior level of playability, thanks to its multi-filament construction A superior level of durability, thanks to the co-polyester material for the first time used in a multifilament. A higher level of arm protection, thanks to the use of polyurethane (HD) which is 100% adjustable. A higher level of spin, in direct relation to the highest level of firmness of a multifilament.