O'Neill Psycho Tech 5mm+ ST Booties-Black Size:9 and the Quantum 85cm wing

and the Quantum 85cm wing glides the farthest with the least effort

Cuff Width: 1 3/4" (43mm)

If you're looking for maximum pumping efficiency then you might want to try the high aspect wings

you'll have extra room for added layers

Offering light support with removable padding

O'Neill Psycho Tech 5mm+ ST Booties-Black Size:9 and the Quantum 85cm wingFrom ONeill The redesigned Psycho Tech is our most advanced boot, with an O'Ring entry and liquid sealed Sidewinder seams for superior watertight performance. Our heat retaining TB4 materials and rugged Krypto Armor enhance comfort, warmth, and durability while preventing overexpansion. A wrap under arch segment pairs up with our high performance All Terrain Mudder Grip for improved stability. Built for the harshest conditions. Anatomical Fit Split