Soniccore Evolution 130HL Squash RacketSONIC CORE TECHNOLOGY: Sonic Core with Infinergy foam provides super rebound properties and reduces racket vibrations by up to 37% AERO PROFILE: A 9% sharper leading edge allows frame to slice through the air faster and hit the ball harder CX GROMMET TECHNOLOGY: Pocketed grommets increase the racket head speed for excellent manueuvrability GLIDE POLYMER: Unique grommet polymer contains micro beads that reduce friction while increasing string movement