<referenceContainer name="content">
    <referenceBlock name="category.products">
        <block name="product_list" class="MagentoCatalogBlockNavigation">
            <action method="setTemplate">
                <argument name="template" xsi:type="string">Magento_Catalog::product/customlist.phtml</argument>
            </action>
        </block>
    </referenceBlock>
</referenceContainer>

<referenceContainer name="content">
    <referenceBlock name="category.products">
        <block name="product_list" class="MagentoCatalogBlockProductListProduct">
            <action method="setTemplate">
                <argument name="template" xsi:type="string">Magento_Catalog::product/customlist.phtml</argument>
            </action>
        </block>
    </referenceBlock>
</referenceContainer>