Costa C-Line Retainer

Built for anglers who prefer a clean, minimalist setup, the Costa C-Line Retainer keeps your sunglasses secure without adding bulk or distraction. Lightweight and low-profile, it is ideal for fishing, boating, driving, and everyday outdoor use where comfort matters.

Constructed from ultra-thin lightweight wire, the C-Line Retainer stays comfortably out of the way while helping prevent dropped or lost sunglasses on the water. Its streamlined design rests naturally behind the head and neck, making it a smart option for anglers who dislike larger straps or bulky retainers.

The non-adjustable fit keeps operation simple while maintaining dependable hold during active movement.

Perfect for boats, kayaks, docks, and travel, the Costa C-Line delivers security with barely-there feel.

A sleek eyewear accessory built for anglers who want function without clutter.

Key Features:
• Helps prevent lost sunglasses
• Ultra-thin lightweight wire design
• Low-profile minimalist fit
• Comfortable all-day wear
• Stays out of the way while fishing
• Great for boating and travel use
• Simple dependable non-adjustable design
• Trusted Costa quality

Specifications