{"product_id":"bolle-stks-420-polarised-stk42n55e","title":"Bolle STKS 420 Cobalt Flash Polarised Safety Glasses - Crystal Frame - STK42N55E","description":"\u003cstyle\u003e\u003c!--\n.stks420alive\u003e div { border: 1px solid #FFFFFF; border-radius: 5px; background-color: #FFFFFF; padding: 0em; color: #d9480f; } .stks420alive{ display: grid; grid-template-columns: repeat(7, 1fr); grid-gap: 1px; }\n--\u003e\u003c\/style\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #e60012;\"\u003e Available Versions\u003c\/span\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"stks420alive\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/www.alive-sr.co.uk\/products\/bolle-stks-420-polarised-stk42n55e\" title=\"Cobalt Flash Polarised, Crystal Frame\"\u003e\u003cimg alt=\"Bolle STKS 420 Cobalt Flash Polarised Safety Glasses with Crystal Frame\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0054\/5826\/4182\/files\/STK42N55E-02_100X100.jpg?v=1776002960\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/www.alive-sr.co.uk\/products\/bolle-stks-420-smoke-stk42n21e\" title=\"Smoke Lens, Crystal Frame\"\u003e\u003cimg alt=\"Bolle STKS 420 Smoke Safety Glasses Crystal Frame STK42N21E\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0054\/5826\/4182\/files\/STK42N21E-02_100X100.jpg?v=1775760144\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/www.alive-sr.co.uk\/products\/bolle-stks-420-clear-safety-glasses-stk42n11e\" title=\"Clear Lens, Crystal Frame\"\u003e\u003cimg alt=\"Bolle STKS 420 Clear Safety Glasses Crystal Frame\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0054\/5826\/4182\/files\/STK42N11E-02_100X100.jpg?v=1775510528\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/www.alive-sr.co.uk\/products\/bolle-stks-420-polarised-stk42n51e\" title=\"Cobalt Flash Polarised, Black Frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0054\/5826\/4182\/files\/STK42N51E-02_S_100X100.jpg?v=1775305023\" alt=\"Bolle STKS 420 Cobalt Flash Polarised Safety Glasses\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/www.alive-sr.co.uk\/products\/bolle-stks-420-polarised-stk42n50e\" title=\"Polarised Lens, Black Frame\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0054\/5826\/4182\/files\/STK42N50E-02_S_100X100.jpg?v=1775305023\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/www.alive-sr.co.uk\/products\/bolle-stks-420-stk42n20e\" title=\"Smoke Lens, Black Frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0054\/5826\/4182\/files\/STK42N20E-02_S_100X100.jpg?v=1775663069\" alt=\"Bolle STKS 420 Smoke Safety Glasses\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/www.alive-sr.co.uk\/products\/bolle-stks-420-clear-safety-glasses-stk42n10e\" title=\"Clear Lens, Black Frame\"\u003e\u003cimg alt=\"Bolle STKS 420 Clear Safety Glasses Black Frame\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0054\/5826\/4182\/files\/STK42N10E-02_100X100.jpg?v=1775305022\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cp\u003eSTKS 420 safety glasses combine style, sustainability, and dependable eye protection for demanding outdoor work. Engineered by Bolle Safety, these streamlined frames are built for busy days on site and beyond.\u003c\/p\u003e\n\u003cp\u003eCertified for serious protection and designed for lasting comfort, they pair durable materials with a modern athletic look. These Polarised Safety Glasses help keep vision clear in bright, high-glare conditions.\u003c\/p\u003e\n\u003ch3\u003eSTKS 420 Polarized Lens Performance\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePolarized lens - Outdoor Use\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eApproved for permanent wear, this lens technology delivers perfect optical quality for comfortable outdoor use. The \u003cstrong\u003eCobalt Flash Polarised Safety Glasses\u003c\/strong\u003e are suited to users who need reliable comfort and clearer vision across challenging outdoor tasks. They are a practical choice for outdoor glare management.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTint base: Grey\u003c\/li\u003e\n\u003cli\u003eVisible Light Transmission: 13%\u003c\/li\u003e\n\u003cli\u003eIdeal for the maritime environment. Filters 99.99% of UVA\/UVB.\u003c\/li\u003e\n\u003cli\u003eReduces harsh glare and visual overload in bright outdoor settings\u003c\/li\u003e\n\u003cli\u003eEnhances contrast and surface visibility with a cold, neutral tone\u003c\/li\u003e\n\u003cli\u003eBlue mirror coating delivers a sleek style and minimizes glare from reflective surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Bolle STKS 420 is made for all-day wear, with practical protection features and a lightweight feel. It supports comfort without compromising coverage. The \u003cstrong\u003eCobalt Flash Polarised Safety Glasses\u003c\/strong\u003e suit users working around glare, water, and reflective materials, offering a balanced combination of coverage, comfort, and outdoor usability.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSustainably crafted: 32% (plano) and 52% (prescription) recycled polycarbonate\u003c\/li\u003e\n\u003cli\u003eCrystal-clear vision with anti-scratch coating\u003c\/li\u003e\n\u003cli\u003eEnhanced protection comfort: Integrated side shields and upper brow protection for superior coverage\u003c\/li\u003e\n\u003cli\u003ePrescription-ready: Advanced lens treatments and wide prescription adaptability for precise vision correction\u003c\/li\u003e\n\u003cli\u003eCobalt Flash Polarised Lens and Crystal Frame\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolarised Safety Glasses\u003c\/strong\u003e help to prevent eye strain and glare. Polarised lenses offer the wearer increased comfort and reduced light sensitivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Info\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWeight: 28 g\u003c\/li\u003e\n\u003cli\u003eFrame Type: Full Frame\u003c\/li\u003e\n\u003cli\u003eFrame Material: Recycled Polycarbonate\u003c\/li\u003e\n\u003cli\u003eFrame Colour: Crystal\u003c\/li\u003e\n\u003cli\u003eLens Material: Polycarbonate\u003c\/li\u003e\n\u003cli\u003eLens Colour: Grey\u003c\/li\u003e\n\u003cli\u003eLens Coating: Anti-scratch\u003c\/li\u003e\n\u003cli\u003eStandards: EN166 - EN172\u003c\/li\u003e\n\u003cli\u003eLens marking: GL3 CT 1 CE\u003c\/li\u003e\n\u003cli\u003eFrame Marking: EN166 FT CE UKCA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eDocumentation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor specifications, standards guidance, and fit reference, please see the documents below.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0054\/5826\/4182\/files\/STKS420-INDUSTRIAL-FT-EMEA_EN.pdf?v=1775305042\"\u003e\u003cstrong\u003eProducts Datasheet\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0054\/5826\/4182\/files\/SKTS_420_Size_2.jpg?v=1775648013\"\u003e\u003cstrong\u003eSize Guide\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Bolle Safety","offers":[{"title":"Default Title","offer_id":56786781667706,"sku":"BL-STK42N55E","price":42.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0054\/5826\/4182\/files\/STK42N55E-02.jpg?v=1776002960","url":"https:\/\/www.alive-sr.co.uk\/products\/bolle-stks-420-polarised-stk42n55e","provider":"Alive Safety and Rescue Limited","version":"1.0","type":"link"}