One frame → many lenses → clip optional.

System.PRO Frame – the basis for all SIOLS interchangeable lenses.
The PFR.Frame has been developed over years and tested for thousands of kilometers. Result: maximum performance, uncompromising fit, and a frame that can handle anything – from high speed on a bike to trail running off-road.

Highlights:
• Compatible with all SIOLS interchangeable lenses (AERO, NEW.FLITE, VSN.MAX,
VSN.KONA)
• Ultra-robust construction
• Perfect ventilation & durable nose-fit
• Ideal for combining with a corrective clip

Buy once – unlimited possibilities.

👉 Choose interchangeable lenses
👉 Choose corrective clip

You can also see and try out more about this live in our store in Herzogenbuchsee. We have the entire range in our store. Gladly with a consultation appointment on site, as an explanation is needed:

Book a non-binding sports eyewear consultation in Herzogenbuchsee

PFR.Frame Sys.Pro

The PFR.Frame has been developed and perfected over many years and thousands of test kilometers. This makes the frame for the SIOLS system unique and designed for the highest performance. With maximum comfort, award-winning design, and almost endless possibilities, it is definitely in a class of its own. Equally suitable for top-level sports and the cafe terrace.

• Ergo-Fit – light, pressure-free & slip-free fit, helmet-compatible
• Prescription options – compatible with OPT.Clip or direct glazing
• Versatile combination options – suitable for dozens of shield variants // Individually expandable – combinable with Gearset, Sweatstop, Headband & Floatband
• Robust & light – high-security plastic TR 90, only 30 g
• Perfect fit – height-adjustable nose pads in 6 sizes for all nose anatomies

You can see all interchangeable lenses in the next section under "Interchangeable Lenses." A large selection for almost every sport and size.