Here's what other sites are saying:
A true performance sunglass is one that performs so well that you forget you're even wearing it. Tifosi makes true performance sunglasses. The Mast Sunglass uses a Grilamid TR-90 frame with adjustable temples for bombproof durability, ultra-light weight, and customizable fit. Hydrophilic nose and ear cushions become grippier when they get wet, so the Mast stays put when you sweat. Proposition 65 Warning for California Consumers: This product contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm.
The Tifosi Mast sunglasses are like armour for your eyes, protecting them them from harsh rays, errant bugs and rocks with a lens for any adventure or light condition.
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