Costa C-Line Retainer

Sleek, strong, and barely noticeable, the Costa C-Line Retainer is designed for those who want maximum security without extra bulk. Crafted with coated stainless steel, this ultra-thin retainer provides a lightweight yet durable solution to keep your sunglasses in place through every adventure. Its low-profile design makes it a favorite for anglers, travelers, and anyone who values both performance and style. Ultra-Thin Design: Minimalist look that won’t distract from your eyewear. Lightweight & Comfortable: Feels almost weightless for all-day wear. Durable Construction: Coated stainless steel resists wear and corrosion. For those who demand a retainer that works as hard as they play, the C-Line delivers effortless security with a refined edge.