New Callaway Women's XR OS 4 Hybrid Right Handed Black Silver Steel The FX1 is composed of FBR 2I ML Md Lrg Blk Gry The FX1 is composed of an IMX Composite barrel that is connected to the ultra thin SIC Black Carbon Composite handle with Easton�s ConneXion Technology Classic mallet head shape features perimeter weight placement for higher MOI and forgiveness across the face Proprietary cross shaped alignment aid helps players properly align putts to the target for greater accuracy Top Flite grip ensures exceptional feel and stability High ball speed & forgiveness our forged hyper speed face cup has redefined distance and ball speed and lengths and lofts built for their swing speed so they can hit the ball farther