Rapid and uniform color change without color difference
Suitable for various complex weather conditions. Aerospace-grade aluminum-magnesium alloy material provides a lighter and more comfortable wearing experience. Widely used in aerospace
Electronics
Automotive
And other fields. Known as "space metal" for its light weight
Corrosion resistance
And high temperature resistance. Aluminum-magnesium frame has three advantages: lightweight
Durable
Not easily deformed
And corrosion-resistant. Lighter than titanium
Aluminum-magnesium alloy is a super-light aerospace material with good heat dissipation performance. High-definition polarized sunshade and sun protection
Effectively blocking ultraviolet rays and strong light
Providing clear and natural vision
Making it more suitable for outdoor activities and driving. Bertha polarized sunglasses with naked eye. Multi-layer coating protection filters strong light
Restores high-definition vision
Blocks glare
Strong light
And scattered light
And has anti-oil stain layer
Polarizing filter layer
And anti-oil stain layer. Intelligent photochromic lenses darken or lighten according to the intensity of sunlight
Suitable for weak and strong ultraviolet light. UV protection and polarization testing with values of 495
390
And 370. Through the polarization test card and UV400 test card
Clear graphics can be seen through the polarized lenses
Meeting the standard UV400 value for effective UV protection. Suitable for various environments and activities such as water reflection environments
Fishing
Water sports
Strong light reflection environments on roads
Driving
Cycling
Strong light reflection environments on sand and gravel
Hiking
Rock climbing
And complex environments like beach sports and seaside activities. Aluminum-magnesium semi-frame is lightweight and reduces pressure
Providing a stress-free driving experience. Lotus leaf biomimetic membrane layer resists water
Sweat
And oil stains
Making the lenses easy to clean and maintaining a clear and comfortable visual experience. Sturdy nose bridge for durability and comfort. Spring hinge design for a comfortable and face-friendly fit
With intelligent adjustment of the tightness of the legs to adapt to different face shapes. Non-slip and breathable nose pads with increased friction and comfort
Without leaving red marks. Aluminum-magnesium frame with frosted texture
Lightweight and vacuum IP electroplating for color fastness. Bertha brand laser engraving for authenticity guarantee. Rubber non-slip legs with textured design for sweat resistance