The Muck Woody Max 17" Waterproof Insulated Hunting Boots have kept hunters warm and toasty for over a decade with a 5mm neoprene waterproof bootie and fleece liner with the added 2mm thermal foam under foot. It's a proven combination at frigid temperatures on the stand, in the blind and the trek in between.Features:100% Waterproof 5mm Neoprene Bootie for Comfort and PerformanceWarm Fleece Lining a Comfort Topline2mm Thermal Foam Under the FootbedEVA Midsole for Added ComfortMS-1 Molded Outsole