The Hit-Air Zipper Extension Panel can be used to adjust the fit of the Hit-Air Advantage with Zipper Closure to ensure a perfect fit.
Panel Width is 4″
Vest Model and Size specific, can only be used with the Hit-Air Advantage with Zipper Closure
Vest Size Advantage XS – S fits Advantage vest sizes XSmall and Small
Vest Size Advantage M – XL fits Advantage vest sizes Medium, Large, and XLarge
Advantage XS – S, Advantage M – XL