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We offer a 14-day hassle-free return and exchange policy starting from the date you receive your item. To be eligible, products must be unworn, unused, with tags attached, in original packaging, and accompanied by proof of purchase. If the item is defective, damaged, or incorrect, we cover the return shipping cost; for size or personal preference returns, the customer is responsible for shipping fees. Please inspect your order within 72 hours and contact us for any issues.Have a 14-day no-questions-asked return right. Refunds will be processed within 10 business days after we receive and inspect your return. Please contact customer service before returning items and send returns to the designated address; unauthorized returns will not be accepted. For questions, email service@rockbrossport.co.uk
Shop with confidence! Enjoy hassle-free exchanges within 30 days of delivery.
Estimated delivery time

Gear up for every ride with the Road-to-Sky Photochromic Cycling Sunglasses – BOUNDLESS! These shades adapt to changing light, keeping your vision clear from dawn to dusk. Lightweight and comfy, they’re perfect for chasing horizons without limits. Embrace the freedom of the open road with style and protection that moves with you.
Interchangeable Lens and Arm Design
Features a modular construction that allows lenses and temples to be freely combined and swapped. Whether for day or night, this design offers complete flexibility to match your riding needs.
Smart Photochromic Lens Technology
Adapts to changing light conditions within seconds. The UV-sensitive PC lenses automatically adjust their tint level, eliminating the need for frequent lens changes and ensuring optimal vision throughout the day.
TAC Polarised & REVO Coating for Glare-Free Vision
TAC polarised lenses filter out harsh glare and environmental reflections, while the REVO multi-layer coating enhances clarity and maintains natural colour in high-glare settings like water or snow.
Multiple Lens Options for All Conditions
Includes yellow night vision lenses to improve contrast and reduce glare at night, and photochromic lenses for versatile use. All lenses are easy to detach and clean, including a removable nose pad for added hygiene.
Lightweight, Durable & Comfortable Fit
Crafted from high-flex TR material for a lightweight yet resilient frame (only 25g). Ergonomic curved temples with soft silicone detailing and a pressure-free fit make it ideal for long-term wear, offering wind and dust protection even in tough outdoor conditions.
| Brand | ROCKBROS |
| Frame Material | TR90 |
| Lens Composition | - PC (Polycarbonate) photochromic lenses - TAC (Triacetate Cellulose) polarized lenses |
| Weight | ~25g ±3g |
| Luminous Transmittance | - Photochromic lenses (13.38%-56.81% VLT) - Polarized lenses (15.97% VLT) - Yellow night vision lenses (85.17% VLT) |
| Impact Resistance | ANSI Z87.1-2020 Level 2 rated |
Gear up for every ride with the Road-to-Sky Photochromic Cycling Sunglasses – BOUNDLESS! These shades adapt to changing light, keeping your vision clear from dawn to dusk. Lightweight and comfy, they’re perfect for chasing horizons without limits. Embrace the freedom of the open road with style and protection that moves with you.
Interchangeable Lens and Arm Design
Features a modular construction that allows lenses and temples to be freely combined and swapped. Whether for day or night, this design offers complete flexibility to match your riding needs.
Smart Photochromic Lens Technology
Adapts to changing light conditions within seconds. The UV-sensitive PC lenses automatically adjust their tint level, eliminating the need for frequent lens changes and ensuring optimal vision throughout the day.
TAC Polarised & REVO Coating for Glare-Free Vision
TAC polarised lenses filter out harsh glare and environmental reflections, while the REVO multi-layer coating enhances clarity and maintains natural colour in high-glare settings like water or snow.
Multiple Lens Options for All Conditions
Includes yellow night vision lenses to improve contrast and reduce glare at night, and photochromic lenses for versatile use. All lenses are easy to detach and clean, including a removable nose pad for added hygiene.
Lightweight, Durable & Comfortable Fit
Crafted from high-flex TR material for a lightweight yet resilient frame (only 25g). Ergonomic curved temples with soft silicone detailing and a pressure-free fit make it ideal for long-term wear, offering wind and dust protection even in tough outdoor conditions.
| Brand | ROCKBROS |
| Frame Material | TR90 |
| Lens Composition | - PC (Polycarbonate) photochromic lenses - TAC (Triacetate Cellulose) polarized lenses |
| Weight | ~25g ±3g |
| Luminous Transmittance | - Photochromic lenses (13.38%-56.81% VLT) - Polarized lenses (15.97% VLT) - Yellow night vision lenses (85.17% VLT) |
| Impact Resistance | ANSI Z87.1-2020 Level 2 rated |