Ideal for warm water divers, snorkelers and free divers looking for power, comfort and speed, these full foot fins deliver outstanding performance via Channel Thrust technology and rubberized side ribs. Two year limited warranty.Sizes40/4142/4344/45Blade*17 5/16" (44cm.)17 7/8" (45.5cm.)17 7/8"*Blade is measured from end of footpocket to end of blade.