The sizes mentioned in the size chart are body measurements and garment measurement would be 2-6 inches bigger depending on the fit.
Regular - The top is 2 inches bigger than the body measurement
Relaxed - The top is 4 inches bigger than the body measurement
Lose - The top is 6 inches bigger than the body measurement
For the pants, consider the waist size as mentioned in size chart ( All the pants are half-elasticated)
We have mentioned the type of Fit in the product description tab above, accordingly you can select the size.
In case of any further confusion, please reach out to us on any of our customer support channels.