I have US Men's Size 12 and they are about 8.5 ounces for the pair. Just over 4 ounces each. I have searched far and wide for lighter camp shoes and these the one for me.

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https://www.amazon.com/Amoji-Slippers-Sandals-Outdoor-Breathable/dp/B06XJ177TV/ref=sr_1_1_sspa?keywords=amoji%2Bclogs%2Bfor%2Bmen&qid=1656479656&sprefix=amoji%2Caps%2C102&sr=8-1-spons&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEzQ1Q3V0ZJMDRBTEZTJmVuY3J5cHRlZElkPUEwODc5Njc3UkNEWFRSOFo2VUlLJmVuY3J5cHRlZEFkSWQ9QTAwNjk5MzcxT01YTkpQS05OSklYJndpZGdldE5hbWU9c3BfYXRmJmFjdGlvbj1jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ&th=1&psc=1