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These are polarized clip-on sunglasses that attach to your existing prescription frames instead of replacing them. The Solar Shield line is Foster Grant's budget answer to prescription sunglasses: a rectangular black clip with polarized lenses that cuts glare from water, snow and pavement. They suit glasses wearers who want sun protection without a second pair of prescription lenses, and they cost far less than custom prescription sunglasses. The trade-off is a two-layer stack on your face, and the clip fit depends on your frame's shape and rim thickness.
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Lowest price we've seen: $14.67 on Nov 5 at Foster Grant. Tracked across 3 stores since Nov 5.
Ratings are middling. Buyers who found a good match on their frames like the glare cut and the low cost; others report the clip fits loosely or sits awkwardly on certain frames.







