The size is M, but it feels like a size S. I'm 172cm tall and weigh 65kg, but it was quite tight. Measurements by a layman: Length: Approximately 67cm Width: Approximately 48cm Used a few times, in good condition. Please check the condition carefully in the images before purchasing. It will be shipped folded as small as possible. Please be aware that there may be some errors in the size measurements due to amateur measurements. Please purchase with the understanding of this. We do not accept any claims or returns. Please refrain from purchasing if you are sensitive to details.