This record-breaking running shoe provides lightweight toughness to test your limits

Game-changing aerodynamics

mud runs and Ragnar relays

Ideal for hot or cold drinks

Tecnifibre Razor Spin 16 1.30 Grip Size_5L - 4 5/8" This record-breaking running shoe providesServe deadly spin from your comfort zone with the Tecnifibre Razor Spin 16 1. 30! This co polyester monofilament string provides controlled power and precision on the court. Its squared structure adds more spin to every shot, while PU additives in the core enhance pocketing and feel. If you want to rip and dip into the corners with ease, try the Tecnifibre Razor Spin 16 1. 30! Who's it for? Advanced tennis players who generate plenty of racquet head