• Iron clear sports protective goggles front view with black frame and adjustable strap
  • Iron clear acetate sports goggles angled view with black frame and side guard
  • Iron protective sports goggles rear view with silicone cushioning and elastic strap
  • Iron sports protective goggles side view with clear side guard and black strap
  • Iron clear protective goggles rear angled view with red and black sports strap
  • O'S OPTICAL eyewear packaging with glasses case, pouch, cloth, and card
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O'S OPTICAL

Iron

Iron

Clear Acetate Goggle — Streamlined Protection
HK$628.00 HKD
HK$549.00 HKD HK$628.00 HKD
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Shipping calculated at checkout.
Color: Black
Lens Options

Prescription Options

Eye SPH CYL AXIS
Right (OD)
Left (OS)

No prescription on hand? No problem!

Please proceed to checkout and complete your order.

After placing your order, simply send a photo or PDF of your prescription to us via:

  • 💬 Chat Bubble (bottom right corner)
  • 📧 Email: osoptical.contact@gmail.com
  • 📱 WhatsApp

*Please include your Order Number in the message so we can match it to your lenses.

📦Free Shipping on all orders
Iron is made for secure sports protection in a more streamlined profile, combining a clear acetate-style structure with soft silicone cushioning and an adjustable elastic strap. The goggle-style design helps keep the eyewear stable during movement, making it suitable for training, ball sports, and active daily use. At 55.8 g, Iron offers protective coverage with a lighter feel than heavier goggle styles. The 145 mm front width creates a balanced fit, while the black frame, clear side guards, and cushioned inner support work together for comfort, stability, and practical eye protection.

Specifications:
• Material: Clear Acetate & Silicone Strap
• Weight: 55.8 g
• Frame Width: 145 mm
• Lens Height: 43 mm
• Lens Diagonal: 60 mm
• Strap: Adjustable elastic sports strap

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Discover Our Eyewear Care & Service

Online Prescription Glasses Process

Choosing the Right Lens

Selecting the right lens index depends on your prescription strength (diopters). 
  • 0 to -2.00 diopters (mild prescription): 1.56 index recommended
  • -2.00 to -4.00 diopters (moderate prescription): 1.61 index recommended
  • -4.00 to -6.00 diopters (strong prescription): 1.67 index recommended
  • Above -6.00 diopters (very strong prescription): 1.74 index recommended
Important Note:
* Prescription strength may also be shown as “sphere (SPH)” in your eye test results. For example, -2.00 SPH ≈ -2.00 diopters
* No Prescription (Frame Only): Your glasses will arrive with acrylic demo lenses. These lenses may feature printed brand specifications and are intended solely to maintain the frame's shape. They are not designed for daily wear. We recommend visiting a local optician to have them replaced
* CR39 Index Options: If you select any CR39 option (1.56 - 1.74), your glasses will arrive with premium, crystal-clear optical lenses. These are custom-fitted, free of any printing, and ready for immediate wear

Protected & Thoughtfully Packaged

FAQ

Can I add prescription lenses to these frames?

Yes. Most O'S OPTICAL frames can be fitted with prescription lenses, except for selected sunglasses styles. If you are not sure whether a frame supports prescription lenses, please contact us before placing your order.

Can I send my prescription after ordering?

Yes, absolutely. You can provide your prescription details after placing your order. To ensure accuracy, simply send a clear copy of your optical prescription along with your order number through any of the following channels:

  • Email: osoptical.contact@gmail.com
  • Live Chat: Located in the bottom right corner of our website
  • WhatsApp: +852 6444 2918

How long does shipping take?

Standard shipping generally takes 5 to 15 business days. Our products are dispatched directly from our facilities in Hong Kong or mainland China. If your order includes customized prescription lenses, please allow an additional 3 business days for our opticians to precisely craft and fit your lenses before the order is shipped.

What if the glasses do not fit?

We offer a 30-day return and exchange policy. If you purchase sunglasses or non-prescription frames, you can return or exchange them within 30 days of receipt, provided they have no obvious signs of wear and are in their original condition.
However, please note that prescription lenses are custom-made to your specific visual requirements; therefore, they are non-refundable and cannot be exchanged once crafted. If you experience any issues with the fit or your new prescription, please reach out to our customer service team, and we will gladly assist you in finding a solution.

Product FAQ

  • What is Iron designed for?
    Iron is designed as protective sports eyewear for training, ball sports, and active movement where stable eye coverage is important.
  • Is Iron lighter than other protective goggles?
    Yes. At 55.8 g, Iron has a more streamlined and lighter build compared with heavier protective goggle styles.
  • Does Iron have an adjustable strap?
    Yes. Iron includes an adjustable elastic strap to help keep the goggles secure during movement.
  • What material is Iron made from?
    Iron uses a clear acetate-style protective frame with silicone cushioning and an elastic sports strap for comfort and stability.