Costa Fly Line Sunglasses Ultimate Coverage for the Committed Waterman

Built for anglers, boaters, and explorers who demand all-day performance and uncompromising comfort, the Costa Fly Line Sunglasses are engineered to keep up with every tide and cast.

Inspired by Costas best-selling Reefton frame, Fly Line delivers a lightweight yet rugged fit with an 8-base wrap design that offers maximum coverage and protection from wind, sun, and spray. Whether you’re poling a flat or chasing stripers in open water, these frames stay locked in with double-injected Hydrolite grip on the nose and temple tips even when the action gets wet and wild.

Key Features:

• 8-Base Frame Curve: Enhanced wraparound fit for full peripheral coverage and eye protection on the water

• Hydrolite Grip Technology: Soft rubber inserts at the nose and temples for non-slip comfort

• Modern Performance Design: Durable, stylish, and made for long days under the sun

• Retainer-Ready Temple Tips: Secure your shades with any compatible retainer system

• Polarized Lens Compatibility: Pair with your favorite Costa 580 lenses for unbeatable clarity and glare reduction (sold separately or included based on configuration)

Why It Matters:

Whether you’re sight-casting in skinny water or battling glare on offshore structure, Costa Fly Line sunglasses give you the focus, fit, and function to stay dialed in. Trusted by guides, captains, and everyday anglers alike these are built for the water, built to perform.