Polyester. Over the last few decades, polyester tennis strings have grown in popularity and are probably the most commonly used strings among intermediate and advanced players. Also known as “poly,” this string is the most durable type of string you can use.
Additionally, what are good tennis strings?
Tennis strings are made of natural gut, nylon (multifilament) or polyester (monofilament). Natural gut and nylon strings are best for beginner to intermediate players due to their power and comfort properties while polyester is best for advanced players due to its stiffer, control-oriented properties.
Accordingly, do tennis pros use natural gut?
The oldest type of tennis string on the planet is natural gut and it’s the string of choice for a lot of professional players including Roger Federer himself. … Natural gut strings are made of cows intestines and date back to 1875 when Pierre Babolat first used a sheep’s intestine to produce them.