diff --git a/src/offset_arc.rs b/src/offset_arc.rs
index 5164d5b..0dde04a 100644
--- a/src/offset_arc.rs
+++ b/src/offset_arc.rs
@@ -1,4 +1,5 @@
 use core::fmt;
+use core::hash::Hash;
 use core::marker::PhantomData;
 use core::mem::ManuallyDrop;
 use core::ops::Deref;
@@ -84,6 +85,24 @@ impl<T: ?Sized + PartialEq> PartialEq for OffsetArc<T> {
 
 impl<T: ?Sized + Eq> Eq for OffsetArc<T> {}
 
+impl<T: ?Sized + PartialOrd> PartialOrd for OffsetArc<T> {
+    fn partial_cmp(&self, other: &Self) -> Option<core::cmp::Ordering> {
+        (**self).partial_cmp(&**other)
+    }
+}
+
+impl<T: ?Sized + Ord> Ord for OffsetArc<T> {
+    fn cmp(&self, other: &Self) -> core::cmp::Ordering {
+        (**self).cmp(&**other)
+    }
+}
+
+impl<T: ?Sized + Hash> Hash for OffsetArc<T> {
+    fn hash<H: core::hash::Hasher>(&self, state: &mut H) {
+        (**self).hash(state)
+    }
+}
+
 impl<T> OffsetArc<T> {
     /// If uniquely owned, provide a mutable reference
     /// Else create a copy, and mutate that