Kevlar is an extremely stiff material and provides excellent durability, as much as 5 times the durability of nylon.
Because Kevlar strings are so stiff and have almost no elasticity, they are mostly combined with another more elastic string to increase playability. A combination of one type of string on the mains and another type of string on the crosses is called a hybrid string job.
The durability of this Kevlar is combined with the responsive playability of a high grade polyamide. The low elongation and high tensile strength of Kevlar prevents abrasion resulting in longer string life. A lively polyamide cross string produces increased energy return to the ball.
The kevlar tennis string is the most durable tennis string which is available on the tennis string market.
You shouldn’t really use this tennis string unless you are a chronic tennis string ‘breaker’. Watch out, this type of tennis string is very stiff, plays uncomfortably and generates very little power.
This is also very damaging for your arm and wrist. If you do use kevlar tennis strings, we advise you to lower the tension by 10%.
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