100% waterproof shell combined with a water-resistant upper Comfortable nylon upper for a flexible fit and a soft fleece lining with Max Wick and Durafresh coating that provide all-day comfort BOGS Grip TPR outsoles are made from a lighter rubber for excellent all-purpose traction Comfort range from -22°F to 80°F (-30°C to 27°C) for year-around warmth and four-season wearability BioBased insole