Go to the Customizer -> WooCommerce Options.
Click on General Options and open the panel with customization options for:
- Shop header (you can choose to display a large header with title, or a header that shows only navigation, for the shop page)
- Product detail header (you can choose to display a large header with title, or a header that shows only navigation, for the product detail page)
- Show cart button in menu (check the checkbox to display the cart button in the menu)
- On product page set product image as header background (check the checkbox to show the product image as background for the header of the product page).