Savage Gear Polar Ultralight Thermal Insulated Boot | Black Simply the perfect fishing boot ! Ultralight & Warm! Extremely tough 100% Oxford polyester shell fabric with water-repellent finish Insulated by one layer of 100% sponge and artificial warm berber fleece of 70% polyester/30% acrylic as inner lining Adjustable at upper collar Removable breathable foam innersole for extra comfort Ultralight 100% waterproof EVA mid-sole 100% strong rubber outsole with special grip pattern