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Costa Mainsail XL Sunglasses Mainsail XL is a direct size extension of one of Costa's best-selling Hybrid Frames, Mainsail, providing a broader reach of water explorers the same functionality, versatility and aesthetic they’ve come to love. Micro side shields and hooding provide a heightened level of coverage, minimal light leak and protection from the elements. Vented nose pads increase ventilation across the frame, reducing the risk of fogging. Retainer ready temple tips allow users to affix any retainer of their choice to ensure their frames aren’t lost while exploring. Prop 65 Warning CA
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🇺🇸 Ship from USA · On Agora since 2025
$285.00