1)TAC POLARIZED LENS- 100% UV400 protection coating, blocks 100% harmful UVA & UVB Rays. Restore true color, eliminate reflected light and scattered light and protect eyes perfectly. TAC lens includes 7 layers. The 1st layer is polarization layer. The 2nd and 3rd layers are bonding layers to enable durability. The 4th and 5th layers are UV protection layers to absorb UV light. The 6th and 7th layers are shatterproof layers.2)SOFT RUBBER NOSEPAD- Let Your Nose Feel Comfortable While Wearing GOTSC Sports sunglasses for Cycling Running Fishing Golf.3)GOOD LOOK, SUPERLIGHT, STYLISH, DURABLE AND CLEAR- Flattering lines & design features create aesthetically pleasing appearance. Lightweight design is ideal for motorcycle and cycling bicycle, driving, running, fishing, racing, skiing, climbing, trekking or other outdoor activities. Fashion and stylish design, with rich color combinations of frames and lens. Polycarbonate lens and frames are impact, scratch resistant and durable. Rimless jacket frame design enables clear lower vision field.4)LIFETIME BREAKAGE WARRANTY ON FRAME- We provide lifetime breakage and warranty on Frame and Lens.Please feel free to contact our customer service anytime if you feel unsatisfied or confused.5)30 DAY MONEY BACK GUARANTEE- All Gotsc customers enjoy 30 Day Money Back Guarantee. Customers can return and get refunded in case the purchasing is not satisfactory for any reason. You have no risk to try. Gotsc sports sunglasses is perfect for enjoying the outdoors, running, driving, cycling or baseball, which makes you could feel more energetic. And these different colors sunglasses for men and women are best choose for your reference. With comfort, lift, and spirituality in mind to fit your activities, our polarized sunglasses have a filter that reduces glare from reflecting surfaces (water, snow, road pavement) which interfere with vision, and we insist on doing well in creating cool eyewear from appearance not only protection function. The newest technology: Top polarized lens, give more protection to your eyes. 1) Durable color: The lens wont change no matter how long they are exposed to the sun. 2) Precision grinding: Precision grinding of lens, super optical clarity. 3) Scratch-resistant: Natural rigidity of the glasses enables scratch-resistance and durability. 4) Impact-resistant: Dropping impact test with a 5/8-inch steel ball for every lens to ensure eye protection. 5) Ultraviolet-proof: 100% UV400 sunglasses lens, the lens can restore a vivid colorful world against the dust and without like UVA,UVB rays and other harmful lights. 6) Isolate from other harmful rays: Completely cuts off infrared rays, keeps eye refreshing and comfortable; filters blue light, strengths color contrast, clearer vision TIPS! To avoid damage, never clean your sunglasses with paper towels or clothing, and also avoid using household detergents or soaps, just use clean water and included cloth in case. We are responsible for all our products, for any quality problems for any time. You have no risk to try!