diff --git a/app/CMakeLists.txt b/app/CMakeLists.txt
index 793f386d..c800d1cc 100644
--- a/app/CMakeLists.txt
+++ b/app/CMakeLists.txt
@@ -49,6 +49,7 @@ if ((NOT CONFIG_ZMK_SPLIT) OR CONFIG_ZMK_SPLIT_ROLE_CENTRAL)
   target_sources(app PRIVATE src/behaviors/behavior_outputs.c)
   target_sources(app PRIVATE src/behaviors/behavior_toggle_layer.c)
   target_sources(app PRIVATE src/behaviors/behavior_to_layer.c)
+  target_sources(app PRIVATE src/behaviors/behavior_base_layer.c)
   target_sources(app PRIVATE src/behaviors/behavior_transparent.c)
   target_sources(app PRIVATE src/behaviors/behavior_none.c)
   target_sources_ifdef(CONFIG_ZMK_BEHAVIOR_SENSOR_ROTATE app PRIVATE src/behaviors/behavior_sensor_rotate.c)
diff --git a/app/dts/behaviors.dtsi b/app/dts/behaviors.dtsi
index b3502cbb..83faeacd 100644
--- a/app/dts/behaviors.dtsi
+++ b/app/dts/behaviors.dtsi
@@ -9,6 +9,7 @@
 #include <behaviors/momentary_layer.dtsi>
 #include <behaviors/toggle_layer.dtsi>
 #include <behaviors/to_layer.dtsi>
+#include <behaviors/base_layer.dtsi>
 #include <behaviors/reset.dtsi>
 #include <behaviors/sensor_rotate_key_press.dtsi>
 #include <behaviors/rgb_underglow.dtsi>
@@ -18,4 +19,4 @@
 #include <behaviors/caps_word.dtsi>
 #include <behaviors/key_repeat.dtsi>
 #include <behaviors/backlight.dtsi>
-#include <behaviors/macros.dtsi>
\ No newline at end of file
+#include <behaviors/macros.dtsi>
diff --git a/app/dts/behaviors/base_layer.dtsi b/app/dts/behaviors/base_layer.dtsi
new file mode 100644
index 00000000..510829f2
--- /dev/null
+++ b/app/dts/behaviors/base_layer.dtsi
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2022 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+/ {
+	behaviors {
+		/omit-if-no-ref/ base: behavior_base_layer {
+			compatible = "zmk,behavior-base-layer";
+			label = "BASE_LAYER";
+			#binding-cells = <1>;
+		};
+	};
+};
diff --git a/app/dts/bindings/behaviors/zmk,behavior-base-layer.yaml b/app/dts/bindings/behaviors/zmk,behavior-base-layer.yaml
new file mode 100644
index 00000000..91c3809b
--- /dev/null
+++ b/app/dts/bindings/behaviors/zmk,behavior-base-layer.yaml
@@ -0,0 +1,8 @@
+# Copyright (c) 2022 The ZMK Contributors
+# SPDX-License-Identifier: MIT
+
+description: Base Layer
+
+compatible: "zmk,behavior-base-layer"
+
+include: one_param.yaml
diff --git a/app/src/behaviors/behavior_base_layer.c b/app/src/behaviors/behavior_base_layer.c
new file mode 100644
index 00000000..dc472900
--- /dev/null
+++ b/app/src/behaviors/behavior_base_layer.c
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2022 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#define DT_DRV_COMPAT zmk_behavior_base_layer
+
+#include <device.h>
+#include <drivers/behavior.h>
+#include <logging/log.h>
+
+#include <zmk/keymap.h>
+#include <zmk/behavior.h>
+#include <zmk/events/endpoint_selection_changed.h>
+#include <zmk/events/ble_active_profile_changed.h>
+#include <zmk/profiles.h>
+
+LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
+
+#if DT_HAS_COMPAT_STATUS_OKAY(DT_DRV_COMPAT)
+
+uint8_t base_layer_by_profile[ZMK_PROFILE_COUNT] = {0};
+
+static int behavior_to_init(const struct device *dev) { return 0; };
+
+static int on_keymap_binding_pressed(struct zmk_behavior_binding *binding,
+                                     struct zmk_behavior_binding_event event) {
+    LOG_DBG("position %d layer %d", event.position, binding->param1);
+
+    const zmk_profile_index_t profile_index = zmk_current_profile_index();
+    const uint8_t layer = binding->param1;
+
+    base_layer_by_profile[profile_index] = layer;
+    zmk_keymap_layer_to(layer);
+    LOG_INF("saved base layer %d for profile %d", layer, profile_index);
+
+    return ZMK_BEHAVIOR_OPAQUE;
+}
+
+static int on_keymap_binding_released(struct zmk_behavior_binding *binding,
+                                      struct zmk_behavior_binding_event event) {
+    LOG_DBG("position %d layer %d", event.position, binding->param1);
+    return ZMK_BEHAVIOR_OPAQUE;
+}
+
+static int base_layer_listener(const zmk_event_t *e) {
+    if (e == NULL) {
+        return ZMK_EV_EVENT_BUBBLE;
+    }
+
+    const zmk_profile_index_t profile_index = zmk_current_profile_index();
+    const uint8_t layer = base_layer_by_profile[profile_index];
+
+    zmk_keymap_layer_to(layer);
+    LOG_INF("restored base layer %d for profile %d", layer, profile_index);
+
+    return ZMK_EV_EVENT_BUBBLE;
+}
+static ZMK_LISTENER(base_layer_listener, base_layer_listener);
+
+static ZMK_SUBSCRIPTION(base_layer_listener, zmk_endpoint_selection_changed);
+
+#if IS_ENABLED(CONFIG_ZMK_BLE)
+static ZMK_SUBSCRIPTION(base_layer_listener, zmk_ble_active_profile_changed);
+#endif
+
+static const struct behavior_driver_api behavior_base_layer_driver_api = {
+    .binding_pressed = on_keymap_binding_pressed,
+    .binding_released = on_keymap_binding_released,
+};
+
+DEVICE_DT_INST_DEFINE(0, behavior_to_init, NULL, NULL, NULL, APPLICATION,
+                      CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, &behavior_base_layer_driver_api);
+
+#endif /* DT_HAS_COMPAT_STATUS_OKAY(DT_DRV_COMPAT) */