Zipperless Boot FlexOThree Zipperless Boot 5mm Neoprene Three simple features mean water entry is kept to an absolute minimum, flushing is virtually zero with the end result resulting in feet that are toasty even in winter. No zip 5mm throughout Waterproof Seams With a re shaping of the heel panels and increased flexibility through the shank area, this boot is a dream to put on. Foot support and shape is maintained by constructing the toe, instep and sole with a more