There is 2-3% difference according to manual measurement.

please check the measurement chart carefully before you buy the item.

1 inch = 2.54 cm

Please note that slight color difference should be acceptable due to the light and screen.
Weight:S-490g   M-505g   L-520g   XL-535g   2XL-550g   3XL-565g  4XL-580g   5XL-600g