Answer
Oct 23, 2019 - 01:24 AM
Hello. When measuring the actual jacket, the 4XL measures 56 inches circumference at the chest (near the armpits) as well as through the midsection.
I hope that this helps, but please let us know if you have any questions and we'd be more than happy to help: 1-800-783-8326 or cyclewear@aerotechdesigns.com.
Thanks!