Sizing: Crocs use US sizing worldwide on all footwear, with the US size displayed on the sole. For UK sizes and further info, take a look at the size chart. UK and EU sizes are also located in the tag What size should I buy? Crocs come in whole sizes only. If you typically wear a half size, we recommend you order a size Up New Foam Design: This clog is pressure and heat-mapped to the foot to give you support and breathability, while the flexible Matlite uppers feel broken-in from day one Levelled Up Comfort: These new addition to 360 degrees of LiteRide foam are what both women and men want as they offer sink-in softness and extreme comfort Heat: Do not expose Crocs shoes to extreme heat or intense sunlight for an extended period of time because the unique nature of the Crocs PCCR material means high temperatures may cause them to warp.