Bertha Fishing Sunglasses Polarized Outdoor Professional Anti-Glare Men Underwater Visible 3M Drift Watching Glasses

Three-layer high-quality lens technology combining Polarized, Photochromic (color-changing), and High-Definition coatings.

Intelligent photochromic lens adjusts tint automatically based on UV intensity for seamless adaptation from dawn to night.

Polarization rate ≥ 99%, UV protection ≥ 99%, suitable for various weather categories (Cat.1-3 depending on model).

Dual-sided anti-oil and anti-sea water coating for extended lens life and resistance to corrosion from seawater and sweat.

Designed and calibrated specifically for Asian pupil data to reduce eye fatigue during long fishing sessions.

Lightweight frame design (approx. 23 grams without lenses), comparable to the weight of an egg.

Detachable side wing system for wind, sand, and side light protection, reducing side wind and UV exposure by up to 98% and 95% respectively.

Versatile use scenarios covering early morning, water grass areas, snow, strong sunlight, turbid water, and night fishing.

Enhanced fish float visibility for precise bite detection and improved fishing success rate.

High-cost manufacturing ensures premium quality and performance, with costs approximately six times higher than standard lenses.

Effective glare suppression and visual clarity in diverse and challenging fishing conditions.

BERTHA X Yanjie collaboration since 2008, specializing in professional fishing eyewear.

Polarized technology penetrates water surface glare, providing sharp and clear fish movement tracking for accurate fishing strikes.