diff --git a/src/components/sidebar/toggler.js b/src/components/sidebar/toggler.js
new file mode 100644
index 00000000..f76bee07
--- /dev/null
+++ b/src/components/sidebar/toggler.js
@@ -0,0 +1,22 @@
+import React from 'react';
+import { IconButton } from '@mui/joy';
+import {
+  Menu as HamburgerIcon,
+  Close as CloseMenuIcon,
+} from '@mui/icons-material';
+import { useLayout } from '@context';
+
+export const DrawerToggler = () => {
+  const { drawer } = useLayout();
+
+  return (
+    <IconButton
+      sx={{ m: 2 }}
+      color="primary"
+      variant="soft"
+      onClick={ drawer.toggle }
+    >
+      { drawer.isOpen ? <CloseMenuIcon /> : <HamburgerIcon /> }
+  </IconButton>
+  );
+};
diff --git a/src/components/trays/layers/list.js b/src/components/trays/layers/list.js
index 94b5c01c..c02144df 100644
--- a/src/components/trays/layers/list.js
+++ b/src/components/trays/layers/list.js
@@ -1,32 +1,153 @@
-import React from 'react';
+import React, { useState } from 'react';
 import {
+  Accordion,
   AccordionGroup,
+  AccordionDetails,
+  Box,
   Divider,
+  IconButton,
+  ListItemContent,
+  Stack,
+  Switch,
+  Typography,
 } from '@mui/joy';
+import {
+  DragIndicator as DragHandleIcon,
+  KeyboardArrowDown as ExpandIcon,
+} from '@mui/icons-material';
 import { useLayers } from '@context';
-import { LayerCard } from './layer-card';
 
 export const LayersList = () => {
-  const { defaultModelLayers } = useLayers();
+  const { defaultModelLayers, toggleLayerVisibility } = useLayers();
   const layers = [...defaultModelLayers];
 
+  // convert the product type to a readable layer name
+  const layer_names = {
+    obs: "Observations",
+    maxwvel63: "Maximum Wind Velocity",
+    maxele63: "Maximum Water Level",
+    swan_HS_max63: "Maximum Wave Height",
+    maxele_level_downscaled_epsg4326: "Hi-Res Maximum Water Level",
+    hec_ras_water_surface: "HEC/RAS Water Surface",
+  };
+
+  console.table(layers[0]);
+
+  const [expandedIds, setExpandedIds] = useState(new Set());
+
+  const handleToggleExpansion = id => () => {
+    const _expandedIds = new Set([...expandedIds]);
+    if (_expandedIds.has(id)) {
+      _expandedIds.delete(id);
+      setExpandedIds(_expandedIds);
+      return;
+    }
+    _expandedIds.add(id);
+    setExpandedIds(_expandedIds);
+  };
+
   return (
     <AccordionGroup variant="soft">
       {
-        layers
-          .sort((a, b) => a.state.order - b.state.order)
-          .map((layer, index) => {
-            return (
-              <LayerCard
-                key={ `layer-${ layer.id }` }
-                layer={ layer }
-                index={ index }
-              />
-            );
-          })
+        layers.map(layer => {
+          const isExpanded = expandedIds.has(layer.id);
+          const isVisible = layer.state.visible;
+          const layerTitle = layer_names[layer.properties.product_type] + " " +
+                        layer.properties.run_date + " " +
+                        layer.properties.cycle;
+
+
+          return (
+            <Accordion
+              key={ `layer-${ layer.id }-${ isVisible ? 'visible' : 'hidden' }` }
+              expanded={ isExpanded }
+              onChange={ handleToggleExpansion }
+              sx={{ p: 0 }}
+            >
+              {/*
+                the usual AccordionSummary component results in a button,
+                but we want some buttons _inside_ the accordion summary,
+                so we'll build a custom component here.
+              */}
+              <Stack
+                direction="row"
+                gap={ 1 }
+                sx={{
+                  p: 1,
+                  borderLeft: '6px solid',
+                  borderLeftColor: isVisible ? 'primary.400' : 'primary.100',
+                  '.MuiIconButton-root': { filter: 'opacity(0.25)', transition: 'filter 250ms' },
+                  '.MuiSwitch-root': { filter: 'opacity(0.25)', transition: 'filter 250ms' },
+                  '&:hover .MuiIconButton-root': { filter: 'opacity(1.0)' },
+                  '&:hover .MuiSwitch-root': { filter: 'opacity(1.0)' },
+                }}
+              >
+                <IconButton
+                  size="sm"
+                  sx={{
+                    cursor: 'grab',
+                    filter: 'opacity(0.5)',
+                    transition: 'filter 250ms',
+                    '&:hover': {
+                      filter: 'opacity(1.0)',
+                    },
+                    m: 0,
+                  }}
+                >
+                  <DragHandleIcon fontSize="sm" />
+                </IconButton>
+
+                <ListItemContent>
+                  <Typography level="title-md">
+                    {layerTitle}
+                  </Typography>
+                  <Typography
+                    component="div"
+                    level="body-sm"
+                    sx={{
+                      overflow: 'hidden',
+                      textOverflow: 'ellipsis',
+                      whiteSpace: 'nowrap',
+                    }}
+                  >
+                    { layer.layers }
+                  </Typography>
+                </ListItemContent>
+
+                <Switch
+                  size="sm"
+                  checked={ isVisible }
+                  onChange={ () => toggleLayerVisibility(layer.id) }
+                />
+
+                <IconButton onClick={ handleToggleExpansion(layer.id) }>
+                  <ExpandIcon
+                    fontSize="sm"
+                    sx={{
+                      transform: isExpanded ? 'rotate(180deg)' : 'rotate(0)',
+                      transition: 'transform 100ms',
+                    }}
+                  />
+                </IconButton>
+              </Stack>
+              <AccordionDetails variant="solid" sx={{
+                // remove default margin that doesn't work well in our situation.
+                marginInline: 0,
+              }}>
+                <Box component="pre" sx={{
+                  fontSize: '75%',
+                  color: '#def',
+                  backgroundColor: 'transparent',
+                  overflowX: 'auto',
+                }}>
+                  { JSON.stringify(layer.properties, null, 2) }
+                </Box>
+              </AccordionDetails>
+            </Accordion>
+          );
+        })
       }
       <Divider />
     </AccordionGroup>
   );
 };
-