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.
Days warranty
Silicone doesn't last a lifetime and we won't pretend it does. 30-day replacement warranty on tears, splits, or manufacturing defects. After that, 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.
- 30-day warrantyTears, splits, or manufacturing defects in the first 30 days — we replace it.
- Free exchange*First size exchange has no exchange fee on eligible rings priced $90 or more; $10 under $90 or for a second exchange. Sale exclusions apply. Return postage is your responsibility.
The specs.
- Available sizes
- 4 / F – 10 / T.5
- Model
- PrismBlack-PrismHotPink-PrismLightPink
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 Momentum Pack bundles three stackable silicone rings in Black, Hot Pink, and Light Pink — a bold combination made for active women who want versatility in a single purchase. Each ring is crafted from flexible, medical-grade silicone that handles sweat, water, and movement without missing a beat. Stack them all, wear one, or mix them in with your existing collection. Silicone rings are designed to break away under extreme pressure, eliminating the risk of ring avulsion. Lightweight, non-conductive, and comfortable enough to forget you are wearing them.
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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 |