Great for high altitude usage - Julbo Dolgan Large Spectron 4 Lens Mountain Sun Glasses

I took these up Mt. Aconcagua in Argentina with me and they worked great at 22000+ ft. No complaints though be sure to get a large if you think you might need it. I had to exchange the regular pair I ordered originally for the larger size.
Pros: Good UV protection, durable
Cons: None

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