Mens sizing chart - https://www.sanmarcanada.com/pdfs/ATC_S3519.pdf
Ladies sizing chart - https://www.sanmarcanada.com/pdfs/ATC_L3519.pdf
Mens sizing chart - https://www.sanmarcanada.com/pdfs/ATC_S3519.pdf
Ladies sizing chart - https://www.sanmarcanada.com/pdfs/ATC_L3519.pdf