The Babolat Drive Z 110 Tennis Racquet is the upgrade version of the older Drive Z 110. The racquet features the ergonomic smartgrip technology, optimizing the contact between the hand and the grip and greatly increasing a players power and reducing the amount of blisters. Also included in the Babolat Drive Z 110 is the Cortex System, which filters and dampens harmful vibrations for maximum comfort and feel. The most significant change was the composition of the material, which is now 100% graphite. You can buy this racquet at: www.tennisexpress.com