My boyfriend and I each have a pair! I love these for summer. You can just run them under the sink for a minute and voila they are clean as new! They are very comfy as well,  they feel a lot like crocs. Birkenstock sizing is a little wonky. I wear a 7.5 US women's and always order a 36 wide in birks. Since these only come in narrow I went with a 37 since I do have somewhat wide feet. I can't wait to wear these to the beach