O'Neill 6/5/4mm Hyperfreak Fire ST Boot

O'Neill 6/5/4mm Hyperfreak Fire Split Toe Boot

The O’Neill Hyperfreak Fire 6/5/4 mm ST Boot is designed for the coldest sessions on the water, where warmth, comfort, and grip are crucial. With a neoprene thickness of 6 mm on the sole, 5 mm on the lower leg, and 4 mm on the upper leg, this boot offers excellent insulation. Its structural design, featuring a full wrap under and around the foxing, supports the arch and ensures lateral (side-to-side) stability. The split-toe construction provides enhanced contact with the footpad or board, while the outer layer features Krypto Armor for durability in demanding conditions.

Key features of the O’Neill Hyperfreak Fire 6/5/4 mm ST Boot

6/5/4 mm neoprene thickness for maximum thermal protection during cold-water sessions

Split-toe design for improved board contact and maneuverability

Full wrap under and around the foxing for arch support and lateral lockdown

Outer Krypto Armor + UltraFlex sole for durability and flexibility where you need it

Glued and blind-stitched seams with interior taping to minimize water entry