See Clearly, Move Freely: Why Polycarbonate Lenses Matter in Performance Eyewear
When it comes to sunglasses for sport and outdoor performance, not all lenses are created equal. For athletes, weekend warriors, and anyone logging serious time outdoors, polycarbonate lenses are the gold standard. It’s no surprise that Sundog Eyewear, a Calgary-based leader in performance optics since 1983, builds them into every pair.
But what exactly are polycarbonate lenses, and why do they matter?
What Are Polycarbonate Lenses?
Originally developed for aerospace applications, polycarbonate is a lightweight, impact-resistant material that’s now essential in performance eyewear. Unlike traditional glass or plastic, polycarbonate lenses are up to 10 times more resistant to impact — making them ideal for high-speed sports, rough conditions, and everyday adventure.
They also offer natural UV protection, making them safer for your eyes over long periods of sun exposure. And thanks to their lightweight design, polycarbonate lenses reduce fatigue during extended wear.
Why Sundog Eyewear Uses Polycarbonate in Every Pair
For Sundog, polycarbonate lenses aren’t a premium add-on — they’re standard. That’s because their eyewear is built for real-world use by athletes, cyclists, runners, golfers, and outdoor workers who need clarity, safety, and comfort without compromise.
Sundog lenses deliver:
- High-impact resistance
- 100% UVA/UVB protection
- Lightweight, all-day comfort
- Scratch resistance
- Optical clarity with minimal distortion
Two Styles, Same Trusted Protection
Whether you're after advanced optics or everyday utility, Sundog has a pair to suit your lifestyle. Check out these two styles both equipped with the same high-performance polycarbonate lens technology.

ALPHA TrueBlue Polycarbonate Sunglasses
A premium performance pair designed with athletes in mind. Featuring Sundog’s advanced TrueBlue lens technology, the Alpha delivers vivid clarity and superior colour definition, making it a top pick for golfers and cyclists who need precision vision. The sleek Crystal Dark Grey frame and wraparound fit keep you focused on your goal, not your gear.

Ace Polycarbonate Glasses
A more budget-friendly, casual style that still offers serious protection. The Ace is perfect for outdoor work, casual riding, or any day you need durable, no-fuss eye coverage. Lightweight, comfortable, and tough — it’s an easy grab-and-go choice.
Bottom Line: Protection Without Compromise
Polycarbonate lenses offer an unbeatable mix of clarity, comfort, and durability — and Sundog Eyewear brings all three to every pair. Whether you're pushing limits on the course or just need dependable protection while you’re out in the elements, Sundog delivers performance eyewear that works as hard as you do.
Shop Sundog Eyewear at Hansler
Explore the full collection of Sundog sunglasses and protective glasses online at Hansler, and gear up with eyewear that goes the distance.