Asseri Thermo are the perfect fishing boots for all conditions! The boots are made of 100% waterproof EVA and offer very good thermal insulation. The removable insert keeps your feet warm in temperatures down to -40°! The lightweight Asseri Thermo adapt to your style of walking and feature an internal anti-slip sole. The heel features a mat that absorbs vibration for optimal comfort. The corduroy collar helps to keep the cold out so your feet stay nice and warm.