HTR System: High Torsional Rigidity (HTR) in the frame's layup increases torsional rigidity for more power and stability

outstanding durability and maximum potential for spin

Relieves aches and pains

2 head size provides more power and forgiveness on off-center shots

Dunlop SX 300 Tour Hydration Type_Handheld Bottles HTR System: High Torsional RigidityDominate the match with the Dunlop SX 300 Tour 2025! This modern tennis racquet serves the next generation of spin and control during the match. Stay consistent on attacking shots as the Spin Boost XT Grommets and Spin boost string tech blends power and spin. Enjoy more strength and stability from the Spin Boost Frame geometry. Vibroshield dampening material in the frame adds comfort to every swing. Control oriented and spin friendly, the Dunlop SX