The chest pads are actually sized based on your stomach circumference, not waist or chest size. It's usually better to go too big than too small (if you're between sizes).
Yes, we know they're called "chest pads", but they really go around your abdomen, not your chest. That would get in the way of your armpits anyway.
The elastic strap on the back will flex a little, but not enough to adjust for a size that's way too small. Make sure you measure your stomach to see what will work best. If you're over the XX-Large, we know of people that have made a little "extender strap" that works just fine. The way the velcro closes in the back, it's easy to make something that will hook in well.
| Size | Stomach |
|---|---|
| X-Small | 30" or less |
| Small | 31" |
| Medium | 32" |
| Large | 33" |
| X-Large | 35" |
| XX-Large | 36" |