The STX Alliance XL carbon shaft is designed for players who like a fatter grip for better handling and control. Really, this STX Alliance XL grip is designed either for bigger players who still want the added shot power of carbon technology, or defensive short stick players that like the added beef and grip while cross checking and running guys down the alley. The STX Alliance XL is an upper level collegiate and high school level shaft that is used by some of the best defensive middies in the nation.