diff --git a/core/constants.js b/core/constants.js
index c1d45d4c..dc72eb19 100644
--- a/core/constants.js
+++ b/core/constants.js
@@ -160,6 +160,26 @@ const IconType = {
             '38': chrome.runtime.getURL('icons/action/mono/icon38-disabled.png'),
             '64': chrome.runtime.getURL('icons/action/mono/icon64-disabled.png')
         }
+    },
+    'Shield': {
+        'Enabled': {
+            '16': chrome.runtime.getURL('icons/action/shield/icon16-default.png'),
+            '18': chrome.runtime.getURL('icons/action/shield/icon18-default.png'),
+            '19': chrome.runtime.getURL('icons/action/shield/icon19-default.png'),
+            '32': chrome.runtime.getURL('icons/action/shield/icon32-default.png'),
+            '36': chrome.runtime.getURL('icons/action/shield/icon36-default.png'),
+            '38': chrome.runtime.getURL('icons/action/shield/icon38-default.png'),
+            '64': chrome.runtime.getURL('icons/action/shield/icon64-default.png')
+        },
+        'Disabled': {
+            '16': chrome.runtime.getURL('icons/action/shield/icon16-disabled.png'),
+            '18': chrome.runtime.getURL('icons/action/shield/icon18-disabled.png'),
+            '19': chrome.runtime.getURL('icons/action/shield/icon19-disabled.png'),
+            '32': chrome.runtime.getURL('icons/action/shield/icon32-disabled.png'),
+            '36': chrome.runtime.getURL('icons/action/shield/icon36-disabled.png'),
+            '38': chrome.runtime.getURL('icons/action/shield/icon38-disabled.png'),
+            '64': chrome.runtime.getURL('icons/action/shield/icon64-disabled.png')
+        }
     }
 };
 
diff --git a/icons/action/shield/disabled.svg b/icons/action/shield/disabled.svg
new file mode 100644
index 00000000..21f44396
--- /dev/null
+++ b/icons/action/shield/disabled.svg
@@ -0,0 +1,114 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Generator: Adobe Illustrator 16.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
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+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   version="1.1"
+   id="Capa_1"
+   x="0px"
+   y="0px"
+   width="910.288px"
+   height="910.287px"
+   viewBox="0 0 910.288 910.287"
+   style="enable-background:new 0 0 910.288 910.287;"
+   xml:space="preserve"
+   sodipodi:docname="disabled.svg"
+   inkscape:version="0.92.3 (2405546, 2018-03-11)"><metadata
+   id="metadata45"><rdf:RDF><cc:Work
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+   bordercolor="#666666"
+   borderopacity="1"
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+   inkscape:pageshadow="2"
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+   inkscape:window-maximized="1"
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diff --git a/icons/action/shield/enabled.svg b/icons/action/shield/enabled.svg
new file mode 100644
index 00000000..ae3ed71a
--- /dev/null
+++ b/icons/action/shield/enabled.svg
@@ -0,0 +1,109 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Generator: Adobe Illustrator 16.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   version="1.1"
+   id="Capa_1"
+   x="0px"
+   y="0px"
+   width="910.288px"
+   height="910.287px"
+   viewBox="0 0 910.288 910.287"
+   style="enable-background:new 0 0 910.288 910.287;"
+   xml:space="preserve"
+   sodipodi:docname="enabled.svg"
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+   id="g6">
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diff --git a/icons/action/shield/icon16-default.png b/icons/action/shield/icon16-default.png
new file mode 100644
index 00000000..cb3a324c
Binary files /dev/null and b/icons/action/shield/icon16-default.png differ
diff --git a/icons/action/shield/icon16-disabled.png b/icons/action/shield/icon16-disabled.png
new file mode 100644
index 00000000..65d4ce4c
Binary files /dev/null and b/icons/action/shield/icon16-disabled.png differ
diff --git a/icons/action/shield/icon18-default.png b/icons/action/shield/icon18-default.png
new file mode 100644
index 00000000..beaa7d94
Binary files /dev/null and b/icons/action/shield/icon18-default.png differ
diff --git a/icons/action/shield/icon18-disabled.png b/icons/action/shield/icon18-disabled.png
new file mode 100644
index 00000000..b1a65981
Binary files /dev/null and b/icons/action/shield/icon18-disabled.png differ
diff --git a/icons/action/shield/icon19-default.png b/icons/action/shield/icon19-default.png
new file mode 100644
index 00000000..a0769308
Binary files /dev/null and b/icons/action/shield/icon19-default.png differ
diff --git a/icons/action/shield/icon19-disabled.png b/icons/action/shield/icon19-disabled.png
new file mode 100644
index 00000000..6f6d3b84
Binary files /dev/null and b/icons/action/shield/icon19-disabled.png differ
diff --git a/icons/action/shield/icon32-default.png b/icons/action/shield/icon32-default.png
new file mode 100644
index 00000000..2771acf0
Binary files /dev/null and b/icons/action/shield/icon32-default.png differ
diff --git a/icons/action/shield/icon32-disabled.png b/icons/action/shield/icon32-disabled.png
new file mode 100644
index 00000000..fc84f58c
Binary files /dev/null and b/icons/action/shield/icon32-disabled.png differ
diff --git a/icons/action/shield/icon36-default.png b/icons/action/shield/icon36-default.png
new file mode 100644
index 00000000..3e56833c
Binary files /dev/null and b/icons/action/shield/icon36-default.png differ
diff --git a/icons/action/shield/icon36-disabled.png b/icons/action/shield/icon36-disabled.png
new file mode 100644
index 00000000..7219ee0e
Binary files /dev/null and b/icons/action/shield/icon36-disabled.png differ
diff --git a/icons/action/shield/icon38-default.png b/icons/action/shield/icon38-default.png
new file mode 100644
index 00000000..8a205067
Binary files /dev/null and b/icons/action/shield/icon38-default.png differ
diff --git a/icons/action/shield/icon38-disabled.png b/icons/action/shield/icon38-disabled.png
new file mode 100644
index 00000000..ad1dd5f3
Binary files /dev/null and b/icons/action/shield/icon38-disabled.png differ
diff --git a/icons/action/shield/icon64-default.png b/icons/action/shield/icon64-default.png
new file mode 100644
index 00000000..4cbdfc47
Binary files /dev/null and b/icons/action/shield/icon64-default.png differ
diff --git a/icons/action/shield/icon64-disabled.png b/icons/action/shield/icon64-disabled.png
new file mode 100644
index 00000000..e360b584
Binary files /dev/null and b/icons/action/shield/icon64-disabled.png differ
diff --git a/pages/options/options.html b/pages/options/options.html
index bf6ea134..8e85966d 100644
--- a/pages/options/options.html
+++ b/pages/options/options.html
@@ -111,6 +111,7 @@
                     <option value="Default">Default</option>
                     <option value="Light">Light</option>
                     <option value="Monochrome">Monochrome</option>
+                    <option value="Shield">Shield</option>
                 </select>
                 <!-- TODO: Add i18n description -->
                 <!-- <div class="description-option" data-i18n-content="selectedIconDescription">(description)</div> -->