The Yonex VCore SV 100 incorporates their new Nanometric XT and Aero Fin technologies to create a racquet that can spin it to the limit The SV series of racquets are designed to give players longer dwell times extra bite and exceptional play The highdensity Black MicroCore material is infused in key areas of the frame to increase spin and stability Isometric technology provides a 7 larger sweet spot and a head light balance makes it nice and maneuverable The New Aero Fin technology decreases air resistance by 16 allowing for increased swing speed The slightly larger 100 square inch head allows for a more comfortable playing experience as well as slightly more power The all new Nanometric XT Carbon boasts increased flexibility to help increase dwell time on the string better for added control A weight of 111 ounces strung and narrow beams make this racquet perfect for players looking to add some control to their game