Hot Launch C523 Driver The Competition Spec Hot Launch C523 Driver features a more traditional design and setup that delivers maximum ball speed for medium to fast swing speeds.The Hot Launch C range is for the player seeking optimal launch and spin rates, while still enjoying the benefits of extreme ease of use, forgiveness, and accuracy. FEATURES NEW SOLE RAIL DESIGN The C523 driver features a new sole rail design that extends from the leading edge to the trailing edge. The new sole rail produ