- 6/5/4mm thickness
- Interior Sole and Interior Forefoot: TB4 Firewall
- Interior Upper TechnoButter 4X
- Exterior Forefoot: Krypto Armor
- Exterior Upper: UltraFlex
- Interior: Recycled TBX Fully Taped Seams
- Exterior: Glued and Blindstitched Seams
- Split-toe design with connector
- Anatomical fit
- Pull tab
- Full wrap around arch for support and fit
- Toe box foxing coverage for additional grip and stability
- Passive ankle support
- Strap-free design
- Tapered entry with segmented 3d shin lock down bars
O'Neill Hyperfreak Fire 6/5/4mm Split-Toe Wetsuit Boot
