ActionSleeve Armband for Apple Watch
0So you would like to wear your Apple Watch around your arm as you exercise to monitor your performance more accurately? The ActionSleeve Armband for Apple Watch can help. It lets you strap your Apple Watch around your upper arm or bicep. Its outer frame protects your watch from accidental damage.
Also check out:
According to Twelve South, this might even improve heart rate readings. The ActionSleeve Armband will be available in Red and Black.
[Source]