Flexible for everyday wear.
Flexible silicone offers a lightweight alternative to a metal band. A ring is not protective equipment; remove jewellery whenever your activity or workplace requires it.
Almost weightless
Flexible silicone has a soft, lightweight feel. Choose a comfortable fit and remove the ring if you notice irritation.
Choose when to wear it
Silicone rings can catch or tear. They do not guarantee protection from injury. Follow workplace, machinery and activity rules, including removing all rings where required.
Faults replaced
Silicone doesn't last a lifetime and we won't pretend it does. Manufacturing faults: we'll replace it. With everyday wear, swap it for a fresh one — they're built to be replaceable.
Every ring arrives ready.
- Branded pouchSlim Helix pouch — toss it in the gym bag or glovebox.
- Online fit guideSilicone is flexible — measure at home with a string or paper strip, our guide walks you through it in two minutes.
- Manufacturing faultsManufacturing faults: we'll replace it.
- Free exchange*First size exchange has no exchange fee on eligible rings priced $100 or more; $10 under $100 or for a second exchange. Sale exclusions apply. Return postage is your responsibility.
The specs.
- Material
- Silicone
- Width
- 8.7mm
- Colour
- Green
- Available sizes
- 7 / N.5 – 14 / Z+3
- Model
- SIR102/8-SIR060-ROCKSTAR-GREEN
Not sure of your size?
Silicone is flexible — but the right size makes a real difference for comfort. Three ways to check before you order.
The details.
The Rockstar 9mm Ultra Wide Green silicone ring is built for men who want maximum presence on their finger without the weight of metal. At 9mm wide with a dome profile, this is one of the most substantial silicone rings available yet stays lightweight, sweat-proof, and waterproof through every workout and outdoor adventure. Made from premium medical-grade silicone, it is flexible and waterproof. Silicone rings flex with your hand, so they stay comfortable through training, sport and work. A serious ring for serious athletes and tradies.
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Ring size guide.
Measure the inside diameter of a ring that already fits. Print the chart 100% scale or use a tape to check inner circumference.
| AU / UK | US | Diameter (mm) | Circumference (mm) |
|---|---|---|---|
| G | 3½ | 14.1 | 44.2 |
| H | 4 | 14.5 | 45.5 |
| I | 4½ | 14.9 | 46.8 |
| J | 5 | 15.3 | 48.0 |
| K | 5½ | 15.7 | 49.3 |
| L | 6 | 16.1 | 50.6 |
| M | 6½ | 16.5 | 51.9 |
| N | 7 | 16.9 | 53.1 |
| O | 7½ | 17.3 | 54.4 |
| P | 8 | 17.7 | 55.7 |
| Q | 8½ | 18.2 | 57.0 |
| R | 9 | 18.6 | 58.3 |
| S | 9½ | 19.0 | 59.5 |
| T | 10 | 19.4 | 60.8 |
| U | 10½ | 19.8 | 62.1 |
| V | 11 | 20.2 | 63.4 |
| W | 11½ | 20.6 | 64.6 |
| X | 12 | 21.0 | 65.9 |
| Y | 12½ | 21.4 | 67.2 |
| Z | 13 | 21.8 | 68.5 |