This TP-GREEN Medium Tri FCS2 compatible fin set is perfect for surfers in the 145lbs to 195lbs weight range. It is made from comp weight standard honeycomb construction and is one of Timmy Patterson's original TP fin designs that has been used on his boards since the glass on days. This medium size fin offers great performance in almost all conditions. Fun fact: Timmy's first job in the surfboard industry was making fins in the factory.