Pro-Tec 3D Flat Premium Calf Support provides customized compression zones which offer support exactly where you need it most

Uniquely shaped to deliver ultimate spin

Penn joined forces with top professional players to develop this ball

these tennis balls last 22% longer than average

Long distance runners who want maximum comfort for high mileage sessions

Luxilon ALU Power 18 (1.15) Silver Size_08558.5 Wide (EE) Pro-Tec 3D Flat Premium CalfThe Luxilon ALU Power 18 strings are the most popular on the professional tour. These extremely durable strings resist movement to generate more power and optimum spin. If you want to play like the pros, then try the Luxilon ALU Power 18 and swing away! Durability: 7. 5 Power: 10 Control: 9 Comfort: 9. 5 Luxilon recommends lowering tension at least 10%.