O'Neill Psycho Tech 5mm+ ST Booties-Black Size_138 x 42cm single-closure waist-belt strap provides a

single-closure waist-belt strap provides a secure fit and easy entry and adjustment

impact absorbing and ding resistant

and an adjustable closure for ease and comfort

Crafted from cozy rib fabric

making it a great choice for any adventure

O'Neill Psycho Tech 5mm+ ST Booties-Black Size_138 x 42cm single-closure waist-belt strap provides aFrom 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