This update to the classic Muckster shoe from Muck Boots brings a newly redesigned high traction outsole made from rubber which provides for improved grip on wet surfaces. Also included in the interest of maintaining perfect comfort is a shock absorbing insole which supports and cradles your foot to help prevent foot ache after a long day out. A breathable airmesh lining also helps to comfort your feet by providing airflow., 4mm CR Flex-Foam., Breathable Airmesh Lining., Self Cleaning Outsole., High Traction Rubber Outsole., Women\'s Last.