Lightweight, durable, and built to disappear while you wear it, the Costa C-Mono Retainer keeps your sunglasses secure without adding bulk. Made from high-tenacity monofilament, this minimalist retainer offers dependable performance for life on the water and beyond. Its low-profile design and streamlined temple attachments provide a comfortable fit that stays out of the way, making it an ideal choice for anglers, boaters, and outdoor enthusiasts. Product Details Constructed from high-tenacity monofilament for exceptional strength and durability Ultra-lightweight design for all-day comfort Flat, low-profile temple attachments reduce bulk and improve fit Helps keep sunglasses secure and easily accessible Flexible construction moves comfortably with you during active use Minimalist design complements any eyewear style Ideal for fishing, boating, watersports, hiking, and everyday outdoor wear Features Lightweight performance retainer Durable monofilament construction Low-profile attachment system Comfortable around-the-neck fit Designed for active lifestyles and outdoor environments Why You'll Love It The C-Mono Retainer offers reliable security with an almost invisible feel. Its streamlined design keeps your sunglasses close without distraction, giving you confidence whether you're casting offshore, navigating rough water, or simply enjoying a day outdoors.