100% waterproof, 100% MUCKPROOF; 5mm neoprene bootie for comfort and performance; Pull tabs for easy on/off; Breathable air mesh lining facilitates air circulation; Excursion Pro rubber upper; Triple layer heel construction; Originals rubber outsole with innovative lug design provides traction while quickly releasing mud and other debris; bioDEWIX Dry footbed insert topcover with NZYM for odor control and moisture management; Estimated boot height: 8 in; Estimated heel height: .75 in