{"product_id":"altalist-kaku-sp4","title":"ALTALIST KAKU SP4 INTERCHANGEABLE SPORTS EYEWEAR","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eEngineered for ultimate versatility, the \u003cb\u003eKAKU SP4 Frameless Sports Sunglasses\u003c\/b\u003e feature an innovative interchangeable dual-lens system. With a completely modular layout, swapping lenses is quick and seamless. The minimalist frameless architecture drastically minimizes weight while providing a panoramic, unrestricted field of view for enhanced riding safety.\u003c\/p\u003e\n\u003cp\u003eEach kit includes two premium lens types to tackle shifting outdoor conditions:\u003c\/p\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePhotochromic Lens:\u003c\/b\u003e Intelligently reacts to ambient UV sunlight, darkening rapidly to shield your eyes from blinding glare and clearing up instantly when transitioning into the shade.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eREVO Mirror Lens:\u003c\/b\u003e Specifically tuned to block harsh, direct sunlight and optimize visual clarity on high-exposure daytime routes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eCrafted with an ultra-lightweight, high-impact TR90 frame-and-temple build, these glasses offer exceptional flexibility, durability, and shatter resistance during accidental impacts. Equipped with a selection of three interchangeable nose pads (Sizes S, M, L) and pressure-reducing, soft-grip temples, the KAKU SP4 customizes beautifully to any face shape for a slip-free, all-day comfortable fit.\u003c\/p\u003e\n\u003cp\u003eAdditionally, it comes with a detachable prescription inner frame (supporting myopia up to -4.00 diopters and astigmatism up to -2.00 diopters), making it an ideal choice for a wide array of high-speed outdoor sports.\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003e(Optional Upgrade Lens available separately: VIV20 Photochromic Mirror Lens for optimized contrast and heightened motion recognition).\u003c\/i\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eInterchangeable Dual-Lens Kit:\u003c\/b\u003e Includes both a Photochromic lens and a daytime REVO Mirror lens for all-weather adaptability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eUnrestricted Frameless View:\u003c\/b\u003e Lightweight, open-rim profile yields a panoramic field of vision and cuts unnecessary weight.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eRugged TR90 Build:\u003c\/b\u003e High-toughness frame elements guard against impact fractures and prevent facial friction injuries.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTailored Fitment Layout:\u003c\/b\u003e Supplied with 3 different nose pad thicknesses (S\/M\/L) alongside soft-touch, pliable temple arms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePrescription Insert Included:\u003c\/b\u003e Comes with a clip-on optical frame (supports up to 400 degrees myopia \/ 200 degrees astigmatism).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBrand:\u003c\/b\u003e ALTALIST\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eModel:\u003c\/b\u003e KAKU SP4\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDimensions:\u003c\/b\u003e 139mm x 60mm x 125mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWeight:\u003c\/b\u003e 27g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFrame Material:\u003c\/b\u003e TR90\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDefault Photochromic Lens:\u003c\/b\u003e PC Photochromic (Lens Category: Cat.0–3 | Impact Strength: Izod:2)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDefault REVO Mirror Lens:\u003c\/b\u003e PC Coated Mirror (Lens Category: Cat.3 | Impact Strength: Izod:2)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOptional VIV20 Lens Upgrade:\u003c\/b\u003e PC VIV20 Photochromic Mirror (Lens Category: Cat.1–3 | Impact Strength: Izod:2)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWhat's in the Box:\u003c\/b\u003e Eyewear, Hard Storage Case, Pouch, Cleaning Cloth, Prescription Inner Frame, 3x Nose Pads (Size M pre-installed, Sizes S \u0026amp; L included), User Manual\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ALTALIST","offers":[{"title":"Black Frame - Champagne Gold Mirror \u0026 Clear Photochromic Lenses","offer_id":45789438083106,"sku":"8040242","price":69.99,"currency_code":"USD","in_stock":true},{"title":"Black Frame - Garnet Red Mirror \u0026 Clear Photochromic Lenses","offer_id":45789438115874,"sku":"8040243","price":69.99,"currency_code":"USD","in_stock":true},{"title":"Black Frame - Moonlight Silver Mirror \u0026 Clear Photochromic Lenses","offer_id":45789438148642,"sku":"8040245","price":69.99,"currency_code":"USD","in_stock":true},{"title":"White Frame - Sapphire Blue Mirror \u0026 Clear Photochromic Lenses","offer_id":45789438181410,"sku":"8040244","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/5297\/9490\/files\/20246141723101293024284_c638805e-6918-44f1-b974-fd067bc23605.jpg?v=1781662934","url":"https:\/\/on9bike.com\/products\/altalist-kaku-sp4","provider":"On9bike","version":"1.0","type":"link"}