{"product_id":"kyla-adaptive-lens-sport-glasses","title":"Kyla™ – Adaptive lens sport glasses","description":"\u003ch2 style=\"text-align: center;\"\u003eEvery light. Every ride. One pair.\u003c\/h2\u003e\n\u003cp\u003eYou're mid-ride and the sun ducks behind a cloud. Now you can't see the road.\u003c\/p\u003e\n\u003cp\u003eFive minutes later, it's blinding again. That back-and-forth ruins your focus — and your eyes pay for it.\u003c\/p\u003e\n\n\u003cp\u003eKyla glasses have \u003cstrong\u003ephotochromic lenses that adjust on their own\u003c\/strong\u003e. Bright sun? They darken. Clouds roll in? They clear up. No stopping. No swapping. Just sharp, comfortable vision from the first mile to the last.\u003c\/p\u003e\n\u003cp\u003eThey look good doing it, too.\u003c\/p\u003e\n\n\u003ch2 style=\"text-align: center;\"\u003eOver 15,000 pairs worn on trails this year\u003c\/h2\u003e\n\u003cp\u003e✓ \u003cstrong\u003eLenses that adjust in seconds\u003c\/strong\u003e\u003cbr\u003eThe photochromic resin lenses react to UV light automatically. They darken in bright sun and clear up in shade — so your vision stays sharp without stopping to swap anything.\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp\u003e✓ \u003cstrong\u003eStays locked on through sweat\u003c\/strong\u003e\u003cbr\u003eRubberized nose pads and textured temple grips hold the frame in place, even during a full sprint or steep descent. No bouncing. No sliding.\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp\u003e✓ \u003cstrong\u003eFull wraparound wind coverage\u003c\/strong\u003e\u003cbr\u003eThe oversized shield-style lens blocks wind, dust, and debris from every angle. Your eyes stay calm and focused — even at 25 mph on the bike.\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp\u003e✓ \u003cstrong\u003eLightweight enough for all-day wear\u003c\/strong\u003e\u003cbr\u003eAt just over 1 oz, the PC frame barely registers on your face. Wear them for a 3-hour ride or a full day outside without pressure or fatigue.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat you get today\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKyla Photochromic Sport Glasses (1 pair)\u003c\/li\u003e\n\u003cli\u003eAuto-adjusting lenses — clear to dark based on UV exposure\u003c\/li\u003e\n\u003cli\u003eFull wraparound UVA + UVB protection\u003c\/li\u003e\n\u003cli\u003eAnti-slip rubberized nose pads and temple grips\u003c\/li\u003e\n\u003cli\u003eFree tracked shipping\u003c\/li\u003e\n\u003cli\u003e60-day money-back guarantee\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eSummer production batch — once current stock is sold, restock lead time is 3-4 weeks.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eAdd Kyla to your cart today and see the difference for yourself.\u003c\/p\u003e\n\u003cdiv style=\"background-color: #f4f0ea; padding: 14px 16px; margin-top: 16px; border-left: 5px solid #cfb7a4;\"\u003e\n\u003cstrong\u003e60-day at-home trial\u003c\/strong\u003e\u003cbr\u003eTry Kyla at home for 60 days. If it doesn't fit, look right, or perform the way you expected, return it for a full refund.\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eFrequently asked questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eHow fast do the lenses change from clear to dark?\u003c\/strong\u003e\u003cbr\u003eThe transition takes roughly 15-30 seconds depending on UV intensity. In direct sunlight, you'll notice them darken almost immediately. \u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use these for driving?\u003c\/strong\u003e\u003cbr\u003ePhotochromic lenses respond to UV light, and most car windshields block UV. So the lenses may not darken fully inside a vehicle. They're best for outdoor use. \u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the lenses polarized?\u003c\/strong\u003e\u003cbr\u003eThe lenses are photochromic (light-adaptive) but not polarized. They reduce brightness and block UV, but don't reduce glare from reflective surfaces the way polarized lenses do. \u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill these fit over prescription glasses?\u003c\/strong\u003e\u003cbr\u003eNo, these are designed to be worn as standalone eyewear. They are not fit-over style.\u003c\/p\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFrame width: approximately 5.7 inches\u003c\/li\u003e\n\u003cli\u003eLens height: approximately 2.2 inches\u003c\/li\u003e\n\u003cli\u003eTemple length: approximately 5.5 inches\u003c\/li\u003e\n\u003cli\u003eWeight: approximately 1.1 oz\u003c\/li\u003e\n\u003cli\u003eFrame material: PC (polycarbonate)\u003c\/li\u003e\n\u003cli\u003eLens material: Resin (photochromic)\u003c\/li\u003e\n\u003cli\u003eUV protection: UVA + UVB\u003c\/li\u003e\n\u003cli\u003eColors available: Black, Grey\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Alva \u0026 Grace","offers":[{"title":"Black \/ Photochromic","offer_id":49778961154290,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Sun-shading","offer_id":49778961187058,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true},{"title":"Grey \/ Photochromic","offer_id":49778961219826,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true},{"title":"Grey \/ Sun-shading","offer_id":49778961252594,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0832\/4966\/0146\/files\/hf_20260415_133301_27ec5bad-d6dd-441d-bc87-6c2f036c9887.png?v=1783485492","url":"https:\/\/alva-grace.com\/products\/kyla-adaptive-lens-sport-glasses","provider":"Alva \u0026 Grace","version":"1.0","type":"link"}