Hello,

I have logged into your website the header is displaying on the shop page but you have set the header as overlap the content.

Please try adding the following Custom CSS in the Global Custom CSS area under Theme Settings Custom CSS.

This CSS Will add a black background color to the header and move the shop page content down under the header.

.woodmart-archive-shop .whb-main-header {
    background: black;
}

.woodmart-archive-shop .main-page-wrapper {
    margin-top: 85px;
}

Regards.
Xtemos Studios.