From Apple, their Fluoroelastomer Sport Band for the 42mm Apple Watch Series 1, 2, or 3. This band comes with the Gray color design called Concrete. Model: MNJ82AM/A

Features:
- Custom high-performance fluoroelastomer makes the Sport Band durable and strong, yet surprisingly soft.
- Smooth, dense material drapes elegantly around your wrist.
- Innovative pin-and-tuck closure ensures a clean fit.
Model Number: MNJ82AM/A