Features:
Incredibly lightweight contributes to the comfort of eye-wear and you may even not feel wearing it.
Frame is made of thermoplastic, the perfect material for eye-wear, which makes the glasses has excellent flexibility and durability.
Lenses are made of poly-carbonate which is also used in bullet-proof glass, riot shields, and astronaut helmets, extremely high impact resistance.
Polarized lenses are made in injection process, not only to perfect lens shape, but also to decrease eye fatigue and increase comfort for eyes.
Inherent UV protection, Block 100% of UVA, UVB /UVC rays, and harmful blue light to 400nm
5 Interchangeable lens, with different colors, allows you to choose the best fitted one.
Adjustable nose pads are available to customize the fit of your glasses.
Anti-skid foot stripe, streamlined design, provides you a fashion style.
Suitable for riding/cycling, outdoor activities, mountaineering, tourism.

Specification:
Frame Material: Thermoplastic
Lens Material: Poly-carbonate
Frame Color: Black,White, Red, Blue
Lens color: black, transparent, yellow, blue, brown (picture description has the specific illustration of the usage of different lens)
Dimension: lens length(150mm),  lens width(40mm), bridge width(30mm), temple foot length(115mm)

Package included:
1x Pair of polarized lenses (Please note that there are 5 lens, one is polarized lens, and other four ones are UV lens.)
4x Pairs of UV lenses
1x Inner myopia frame (shortsighted frame)
1x Polarized lens test card
1x Glasses headband
1x Glasses rope
1x Glasses cloth
1x Glasses bag
1x Glasses case