diff --git a/crates/esthri/src/lib.rs b/crates/esthri/src/lib.rs
index 5f410cfe..3f5045d2 100644
--- a/crates/esthri/src/lib.rs
+++ b/crates/esthri/src/lib.rs
@@ -378,7 +378,13 @@ async fn list_objects_request(
         for object in contents {
             match (object.key, object.e_tag) {
                 (Some(key), Some(e_tag)) => {
-                    listing.contents.push(S3Object { key, e_tag });
+                    listing.contents.push(S3Object {
+                        key,
+                        e_tag,
+                        storage_class: object.storage_class,
+                        size: object.size,
+                        last_modified: object.last_modified,
+                    });
                 }
                 (key, etag) => {
                     if key.is_none() {
diff --git a/crates/esthri/src/types.rs b/crates/esthri/src/types.rs
index c24919ef..9529c38c 100644
--- a/crates/esthri/src/types.rs
+++ b/crates/esthri/src/types.rs
@@ -17,6 +17,8 @@ use std::{
     result::Result as StdResult,
 };
 
+use aws_sdk_s3::primitives::DateTime;
+use aws_sdk_s3::types::ObjectStorageClass;
 use regex::Regex;
 use serde::{Deserialize, Deserializer, Serialize, Serializer};
 
@@ -149,9 +151,13 @@ impl S3Listing {
 }
 
 #[derive(Debug, Clone)]
+#[non_exhaustive]
 pub struct S3Object {
     pub key: String,
     pub e_tag: String,
+    pub storage_class: Option<ObjectStorageClass>,
+    pub size: Option<i64>,
+    pub last_modified: Option<DateTime>,
 }
 
 /// For syncing from remote to local, or local to remote, "metadata" is attached to the listing in