The Seeland Countrylife 17" 3.5mm are designed or long days in the field. They are 100% waterproof and have great walking comfort like a running shoe. Diamond fleece lining offers extra comfort and insulation. Upper can be adjusted to suit your comfort; Seeland calf-flex allows upper to be flexible, creating more maneuverability for the wearer. Seeland shock-eliminator offers superior cushion and protects your feet from shock from walking on tough terrain. Fleece lining offers improved moisture control. Outsole provides great traction.