FCS II Code Red Mason Ho Performance Core AirCore Thruster FinsMason Ho's Signature fin. Welcome to Mason's world, and welcome to Mason's new fin. About the collection Introducing the new Code Red collection. This limited edition range brings together our essential go to gear: the all new Code Red fin, tee, cap, leash, deck grip, and stretch cover all unified in a bold, fire red finish. This isnt just a colour, its a signal. Red doesnt warn it dares. Its speed, control, and intent. Its the line you cross when