Allbirds men's Tree Lounger Slip on Casual sneakers in a men's US size 13, UK 12, EU 45.5, and CM 30. Grey Mist color, stretchy knit opening, white lightweight sole, moderately cushioned and perforated for a comfortable easy-to-wear daily style! Made of proprietary sustainably sourced eucalyptus tree fibers for a natural feel. Machine washable. NOTE: Good condition! Light wear to the jersey-like upper fabric, and soles may benefit from a good regular cleaning. Please see all photos! Please feel free to ask any questions you may have before purchasing, thank you!