From O’Neill
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-Toe for Improved Stability
- Wrap Under Arch Foxing Segment for Improved Structure and Torsion Control
- Extended Foxing Coverage for Enhanced Durability and Grip
- Heel Lock Instep Strap
- Tapered Entry with O’Ring Seal
- Easy Entry Heel Pull Tab
- AT-Mudder Grip Sole for Slip-Free Performance
- Construction
- Fluid Seam Weld with Fully TBX Taped Seams
- Shin: TechnoButter 4
- Instep, Heel: TB4 Krypto Armor Firewall
- Sole: TB4 Firewall
- Multi-Layered Foxing
- PLUS (+) = 0.5mm Extra thickness for even more warmth
