bioDEWIX Anti-Microbial Footbed Insert Topcover with NZYM for Odor Control and Moisture Management; Breathable Mesh Lining; Wide Opening for Easy On/Off; 4mm Neoprene Bootie for Comfort and Performance; Self-Cleaning Calendered Outsole is Excellent in Mud, Snow and Dirt; Average weight: 8M 1.00 LBS; Calf circumference: 12.5in; Full height: 10 in; Heel height: 3/4in