Definitely a half size bigger. After reading the reviews on these boots I decided to order a pair a half size smaller than what I wear with dress shoes and sneakers. I usually wear a 11.5 medium. I ordered 11 M and they fit perfectly. The boots feel comfortable, look great and are well made. It has a nice inner lining. The outsole makes a very durable impression. Another plus is that the straps on the boots are the perfect size for my thumbs to pull on the boot. Excellent price. Will update later when I test them for waterproofing and comfort.
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