The new 6/5/4mm Hyperfreak Fire split toe boots feature the following:

Arch support and lateral (side to side) lock down

Full inner and outer toe coverage for maximum durability that increases grip during maneuvers

Construction:

Glued and Blind Stitched

Interior recycled TB3X tape 

TB4 Firewall (recycled material) on the interior sole and interior top foot

TB4X (recycled material) interior upper/shin

Krypto armor (recycled material) on the exterior top foot

Ultraflex - exterior sole and exterior upper/shin

Please note that O'Neill products use US sizing.