Use your underwear size as a guide.Medium is a 32.
Flat Rate Shipping: AUS: $7.50 Standard $11.00 ExpressThe World: $15.50 Standard $40 ExpressRemember - if your Sluggers aren't a great fit you can send them back for a full refund.
Classic Sluggers have a generous seat. If you have a flat bum - go down a waist size. If you are between sizes - use the lowest size as a reference.