Mach 1: PhotoChromic Blue
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Replacement Lenses
Summit Strong sunglasses Photochromic Blue deliver all-day versatility for athletes who refuse to slow down. The durable black frame features photochromic lenses that transition from clear to a deep blue hue, darkening all the way down to 5 % VLT. A blue base tint preserves natural colour balance while cutting glare—ideal for open-water paddling, alpine ascents, and bright road rides.
Like every pair of Summit Strong sunglasses, Photochromic Blue boasts UV400, scratch-resistant lenses for full-spectrum eye protection, backed by SaurGrip™️ technology that grips harder the wetter you get.
- Trusted By
- Cyclists crossing continents.
- Climbers reaching new heights.
- Trail runners conquering rugged terrains.
- Adventurers exploring the unknown.
- Endurance athletes pushing past their limits.
2 Year Warranty
At Summit Strong™, we stand behind the quality and durability of our sunglasses. We offer a 2-year warranty on all of our sunglasses from the date of purchase. Learn more
Free Shipping
At Summit Strong™, we are proud to offer free shipping on all our products! For details and limitations, click here
Perfect Fit
Utilizing SaurGrip™️ Technology, all Summit eyewear products are designed to be fully adjustable, providing you with a fit that's perfectly tailored to your face.
Sweat Proof
SaurGrip™️ Nose Pads stay when you sweat. Constructed from a hydrophilic compound that clings to your skin when exposed to moisture.
Crash Proof
Summit Strong™ sunglasses are manufactured from cutting-edge materials, allowing them to withstand the toughest conditions.
