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.

 

Key Features

• Ultra Thin Outsole
• Anatomical Fit
• Strap-Free Design
• Heel Pull
• Split-Toe for Improved Balance

Construction

• Exterior: FluidFlex
• Interior: FluidFlex FireWall
• Glued and Blindstitched Seams