M pants length 50cm recommended 45.00 kg-57.50 kgL pants length 51cm recommended 57.50 kg-65.00 kgXL pants length 52cm recommended 65.00 kg-72.50 kg2XL pants length 53cm recommended 72.50 kg-80.00 kg3XL pants length 54cm recommended 80.00 kg-90.00 kg4XL pants length 55cm recommended 90.00 kg-100.00 kgCotton and linen have no elasticity. Card codes must be made large.If you want to be loose, choose a size larger and comfortable to wear.