The original Edgewater wrap-around sole has large horizontal grips that hold in muddy conditions yet shed quickly and efficiently as not to drop later in the day. The CR Flex-Foam with Airmesh lining keeps you warm in cold conditions Breathable airmesh lining. Temp rating sub freezing to 18C. Reinforced rubber toe. Self cleaning, dirt shedding outsole. 5mm CR Flex-Foam. Achilles reinforcement. Shank support.