the Fill N Drill™ weighs 43½ ounces

The Sorbothane Womens Ultra Sole is famous for absorbing up to 94

Increasing oxygen to larger

Mico-Composite Filaments with Polyurethane for excellent all-around performance

prevent blisters and keep your feet dry and comfortable all day long

Tecnifibre X-One Biphase 16 1.30 660' Reel Color:Natural the Fill N Drill™ weighsTecnifibre X One Biphase 16 is Tecnifibre's flagship playability tennis string, and for good reason. With plenty of technology packed in for maximum power, feel and comfort, this string is even a great choice if you suffer from arm pain. Biphase process offers 20% increased durability. Multifilament Synthetic string.