Now I only wear Nike and have been wearing shoes for 35 years. They are light and have a lot of sponge on the heels. I expected greatness. But they make my heels calloused no matter how loose I make them. Tried 3 different types of socks and they bubbled right through the patches. I will keep trying to break them in but the design sucks from a great shoe manufacturer. Worst shoe blisters I've ever had
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