Exclusive to the LST (Low Spin Technology) driver is Carbonfly Wrap, a lightweight compositethat covers the crown and wraps into the heel/toe sections of the skirt to save weight and lowerthe CG for more ball speed, less spin and higher MOI. The 8-layer, one-piece composite savesfour grams and weighs 11.5g fully installed. A moveable 22-gram, high-density tungstenbackweight influences shot shape ±7 yards between the Draw, Neutral and Fade settings.