Great Quality and A Great Limited Edition Price. Once they are gone they are gone. , The ONeill Mutant 6/5/4mm is a super great quality warm wetsuit boot with internal split toe. This boot is constructed from Fluidflex Firewall for warmth and sealed with Glued and Blind stitched seams with an External Foxing Seam Weld. They are finished with Oneills new Mutant Entry that features a Super Seal closure to keep out water and makes for an easy entry. The Mutant boot also has a Multi-density rubber soul with internal split-toe to prevent foot-roll and ensure the best feel between rider and board. , Features:, 6/5/4mm, Internal Split Toe, Fluidflex Firewall, External Foxing Seam Weld, 100% Sealed Glued and Blind Stitched Seams, Multi-density Rubber Sole , Forefoot Foxing Support System, 2013 Season,