KAKU SP3 GO BIG sports sunglasses,half frame with polarized lens.Larger lens for better protection from dust and wind. UV400 protection.
Feature
1.Polarized lens: Effectively block and filter reflected light, glare and scattered light from car windows, road, water and snow surfaces. It reduce light intensity, enhance contrast, and make vision clearer.
2.Photochromic lenses: Darken in bright sunlight or UV, blocking glare and absorbing ultraviolet rays. Returns to the transparent tint quickly in the darker environments.
3.Wide lens with anti-scratch coating provide a wide field of vision and additional protection.
4.Ultra Lightweight Frame & Temples: High strength, impact and abrasion resistance. Effectively prevent frame-breaking due to the impact and reduce damage to face caused by anti-friction.
5.Adjustable temples for comfort fitting.
6.Frame and temples with air vents improve air circulation, reduce fogging and sweating.
7.Accessories: eyewear case,cushion bag,cleaning cloth,optical inner frame,user manual,Photochromic lenses(Interchangeable).
Lens density Visible light transmittance : According to the European standard EN1836, there are five categories depending on the light transmittance of the lens.
Classification : Cat.0-Cat.3
Category 0 : 80-100% Almost transparent and adaptable to any situation.
Category 1 : 43-80% Provides low sun protection and is suitable for most types of wear.
Category 2 : 18-43% Intermediate filter. Suitable for average sunlight.
Category 3 : 8-18% dark filter. Suitable for strong sunlight.
Category 4 : 3-8% Very dark filter. I wear it in very bright situations. Not suitable for driving.
Material
Frame: TR-90
Lens: PC VIV20 Photochromic + TAC (Total 2pcs Lenses)
Weight: 29g