Tecnifibre NRG2 - String Reel - Black Gauge:16 They also come with a

They also come with a new

What's more important

it features strategically placed mesh inserts for enhanced airflow during play

Choose your level of protection available with or without leak proof gusset with moisture lock

Tecnifibre NRG2 - String Reel - Black Gauge:16 They also come with aThe NRG was designed with one specific goal in mind: to be the engine of your racquet! This is the primary purpose of the NRG, the most powerful string in the range. It features a unique construction of over 1200 microfilaments, made of Elastyl (12% more elastic than standard polyamide). Impregnated throughout with polyurethane 400 to generate power and comfort. And finally, the exclusive surface treatment: SPL, to provide smoothness and an effective