Updated for 2013, the SG5 wetsuit boot is a top of the line offering from Billabong, featuring an internal split toe. Extremely warm, lightweight & comfortable boot that is single lined alon the top for warmth. The sole is split into 3 sections for maximum maneuverability with the middle section double lined neoprene & very thin molding., 5mm Glued & Blind Stitched, Furnance Thermal Lining, Concealed Split Toe, Welded Seams, Non marking Soles, Adjustable Arch Strap, ,