Just landed! The all new G4 pro wading boot is one of the toughest and most High-tech wading boot Simms has ever made. These boots have been designed specifically to give you maximum comfort and durability .The brand new Vibram Idrogrip sole has built-in recepticals so you can screw in G4 Alumabite and G4 hardbite cleats. If you're looking for the ultimate performance, look no further than the G4 Pro wading boot.