Botiga Pro extend the free theme with more 3 headers, totalizing 8 header layouts:
Header Layout 6:
This layout is always fixed at the left side of the page.
Header Layout 7 and 8:
Both are similar and work like off-canvas header. The header is shown/hide through a hamburger menu button. You have options to show the header in the left side like in the header layout 6, or show a full screen header.
Left side header:
Full screen header: