The most effective fish catching zone in the majority of lakes is within the top 6 feet of the water column. RIOs Sub-Surface Lake lines are deadly effective on windy days and when fishing in shallow bays, close to lake shores and over the top of weed beds. Each line is built with a supple coldwater core and coating and features a welded loop in the front end for fast rigging.Features:A fantastic range of sub-surface fly lines designed for the lake anglerPowerful, front loaded head for easy casting and maximum distance range of densitiesPerfect for fishing in the top layers of the water columnUnique taper profiles, custom designed for each lineWelded loop in the front end for fast rigging.