Description 100% Waterproof Fully lined with 5mm neoprene for flexibility Fleece lining for warmth Lightweight EVA midsole for added comfort Rugged outsole for grip bioDEWIX™ Dry antimicrobial footbed insert topcover NZYM™ for odour control and moisture management Mid-height with pull-tab for easy on and off Hard-wearing outsole designed for optimum use on muddy surfaces Estimated boot height 31cm/ 12.4" Estimated max calf circumference 37cm/ 14.9" Measurements based on a size 5, variations may occur across sizes Half sizes order up