Wading Boots from Simms Fishing Products. Simms wading boots are the best wading boots we have found. They have unparalleled fit and durability. From the classic styling of the Simms Freestone boot to the modern look of the Simms G4 Boa Boot, there is a Simms wading to meet any wading condition. We have had great success with the Vibram Streamtread soles and if wading conditions require, Simms line of studs will keep you upright!