Big Fit. Bold Protection.
Built for those who go bigger, the Mainsail XL takes one of Costas best-selling hybrid frames and scales it up for maximum comfort and coverage. Designed with micro side shields and hooded lenses to minimize glare and light leak, these shades deliver all-day clarity and confidence whether you’re chasing fish or cruising open water. Vented nose pads enhance airflow and reduce fogging, while the retainer-ready temple tips ensure they stay right where they belongon your face, not in the sea.
Details:
- Premium Polarized 580 Lenses For Exceptional Clarity
- 100% UV Protection
- Scratch-Resistant C-Wall Coating Repels Water, Oil & Sweat
- Micro Side Shields For Enhanced Coverage
- Vented Nose Pads Reduce Fogging
- Retainer-Ready Temple Tips For Security
Frame Fit: Narrow (Small Lens Front For Slightly Narrow Heads) | Size: XXL
