€ 199,99

The Tecnifibre RAZOR SOFT tennis string is precise and comfortable.


Tecnifibre is the leading brand in strings and offers a wide range of strings dedicated to all levels and requirements of players. For our new string, we wanted to capitalize on the most performing of our monofilaments: the Razor Code, which has already won 3 major chlems in the last 18 months.

Thanks to the use of high modulus co-polyester, Tecnifibre offers players the opportunity to gain control.

For the first time, Tecnifibre has added polyurethane additives to make the string more comfortable :

The RAZOR SOFT string offers 2 main benefits :

  • Precision for maximum performance
  • Comfort to suit most people

Main material : Co-polyester and PU additives - recommended tension between 22 and 25 kg - maximum tension: 32 kg

  • For players looking for precision and comfort
  • Highly recommended for rackets over 300g
  • The larger the diameter, the stronger the string
  • Recommended for heavy string breakers
  • String made in France


Click here to see all our other monofilament strings.



Type of string Monofilament
String range RAZOR SOFT
Packaging Bobine 200m
Color Yellow
Description X-Loop

Discover our X-LOOP program.

Project History

In 2023, Tecnifibre conducted its carbon footprint assessment using ADEME's Diag Décarbon'action method. It marked the beginning of an action plan for social responsibility. X-LOOP is Tecnifibre's first product launch born from this action. It presents an opportunity to encourage both leisure and professional players to adopt good practices.

Manufacturing Process

In collaboration with its string supplier in Wervicq-Sud (Nord), its stores and partner tennis tournaments such as the Rolex Monte-Carlo Masters, Tecnifibre collects end-of-life strings. Infinite Athletic, another Tecnifibre partner, then takes over, transforming the used strings into small yarns used to manufacture these ultra-light, resistant and breathable T-shirts.

For this first collection, an X-loop T-shirt is made of 50% polyester strings and 50% plastic bottles, that is four tennis strings and two 1.5L bottles.

Technical Features

This is the lightest t-shirt designed by Tecnifibre, featuring a flexible and comfortable mesh. The material is durable thanks to the anti-abrasive properties of the strings, while also being breathable; no chemical treatments involved. Only a natural antibacterial treatment based on silver ions is applied to the material to prevent the proliferation of bacteria from sweat that cause odors.

From a design perspective, the graphics are integrated into the fabric with a gradient pattern celebrating the Tecnifibre logo.

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