Tecnifibre NRG2 - Natural - String Set less-than-9-2-oz Easy to throw on and

Easy to throw on and effortlessly stylish

You still get responsive cushioning at the highest push-off point of your forefoot but now there's more flex

Material composition (outside): 100% Polyester

helping players generate maximum spin

A deliciously sleek black puffer bag

Tecnifibre NRG2 - Natural - String Set less-than-9-2-oz Easy to throw on andThe NRG was designed with a specific goal in mind: to be the engine of the racquet! This is the primary purpose of the NRG, the most powerful string in the range. Specific construction: Over 1200 microfilaments composed of Elastyl (12% more elastic than standard polyamide). Impregnated throughout with polyurethane 400 to generate power and comfort. Exclusive surface treatment: SPL to provide smoothness and effective "snap back", avoiding the need to