The O'Neill Mutant 6/5/4mm boots offers a split toe design along with enough neoprene to keep your feet warm throughout even the coldest winter.
These boots are 100% sealed using O'Neill's exclusive fluid seams and is lined with a firewall interior.
The boot features a multi-density thin rubber sole that offers protection without compromising on feel.
The Heel pull loop will allow you to get in and out of the boots quickly while the internal split toe offers better balance and will stop the foot from rolling within the mutant boot.
Fluid Foam Exterior
Firewall Interior - Measurably lighter, warmer and more flexible lightweight thermal that wicks away moisture and increases warmth.
External Foxing Seam Weld (100% Sealed)
Fluid Seam Weld - Silicone-based urethane seal applied to both sides of a triple glued seam.
Multidensity Rubber Sole Technology - Best flexibility and durability combined with a recessed hex and pattern for superior grip.
Internal Split Toe