Here are all of our size charts for our men's undies. The grading has changed a bit in 21017 when we started using smoothshell fabrics.
Please note that the inch size is not the inch size of your jeans!
For the best possible fit you can use measure tape to be sure about the right fit. Or simply pick the smaller size if you are not sure which one is better.
This is the size chart for Ocean Discovery collection, ie. Globetrotter Boxer Briefs and Traveller Trunks:
This is the size chart for The Original Danish Guy Boxer Briefs:
And this it the size chart for Frequent Flyer Trunks and Black Tie & White Tie Trunks: