The Waymore Boots By Dryshod Are 100% Waterproof, They Have A 5 Mm Densoprene Foam Insulated Bootie, And A Hydrokote Water Repellent System. They Are Constructed Out Of 4-Way Stretch Breathable Airmesh Lining, Pull Tabs For Easy On/Off, A Roll Down Calf Pipe, Genuine Natural Rubber Overlays, And A Reinforced Tuck Board With Rigid Shanks.