{"title":"Mountaineering Sunglasses","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eShop mountaineering sunglasses from Bloc Eyewear – high-performance glacier sunglasses with Cat 4 lenses for maximum protection in extreme mountain conditions.\u003c\/p\u003e","products":[{"product_id":"chameleon-x400-cat4-glacier-glasses","title":"Chameleon X400 Cat4 Glacier Glasses","description":"\u003cp data-start=\"268\" data-end=\"573\"\u003eThe Bloc Chameleon X400 Glacier sunglasses are engineered for extreme conditions, delivering maximum protection and adaptability. Featuring a shiny black frame with Category 4 lenses, they’re built for high-altitude, snow, and sea environments where glare and intensity demand the highest performance.\u003c\/p\u003e\n\u003cp data-start=\"575\" data-end=\"698\"\u003eCategory 4 lenses – ultra-dark tint for eye comfort and protection in the brightest conditions (not suitable for driving)\u003c\/p\u003e\n\u003cp data-start=\"700\" data-end=\"794\"\u003eRemovable wind gasket – shields eyes from wind, dust, and debris in challenging environments\u003c\/p\u003e\n\u003cp data-start=\"796\" data-end=\"883\"\u003eInterchangeable arms – easily switch from mountain to urban use for versatile styling\u003c\/p\u003e\n\u003cp data-start=\"885\" data-end=\"940\"\u003eIdeal for extreme sports, mountaineering, and sailing\u003c\/p\u003e\n\u003cp data-start=\"942\" data-end=\"1022\"\u003eMaximum UVA, UVB, and blue light protection – filters harmful rays up to 400nm\u003c\/p\u003e\n\u003cp data-start=\"1024\" data-end=\"1135\"\u003eImpact-resistant, distortion-free XTR Karbon8 optical class 1 lenses – ensure durability and visual precision\u003c\/p\u003e\n\u003cp data-start=\"1137\" data-end=\"1183\"\u003eCertified to BS EN ISO 12312-1:201 standards\u003c\/p\u003e\n\u003cp data-start=\"1185\" data-end=\"1221\"\u003eFrame dimensions – 66 ☐ 19-155\u003c\/p\u003e\n\u003cp data-start=\"1223\" data-end=\"1352\"\u003ePerfect for adventurers and professionals who require reliable, high-performance eye protection in the harshest light conditions.\u003c\/p\u003e","brand":"Bloc","offers":[{"title":"Default Title","offer_id":51883774378248,"sku":"X400","price":45.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/1858\/4072\/files\/Untitled_2048x2048px_29.jpg?v=1760543229"},{"product_id":"titan-2-lens-category-4","title":"Titan 2 Lens Category 4","description":"\u003cp\u003eInterchange your Titan with our range of Titan Spare parts. This Cat 4 optical Class One lens provides Maximum protection against UVA\/UVB and harmful blue light up to 400nm. Distortion free and impact resistant. Tested to BS EN ISO 12312-1:2013 A high definition lens ideally suited for medium to bright light conditions. The vermilion tint helps with contrast against blue and green light. (Lifestyle and Sport)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Bloc","offers":[{"title":"Default Title","offer_id":52621171491080,"sku":"TCAT4","price":20.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/1858\/4072\/files\/Titan_Lens-Cat4v22025.jpg?v=1762443830"},{"product_id":"titan-glacier-gas4630s-sunglasses","title":"Titan 2 Glacier GAS4630S Sunglasses","description":"\u003cp data-start=\"403\" data-end=\"748\"\u003eThe\u003cstrong\u003e \u003c\/strong\u003eBloc Titan GAS4630S sunglasses are a modern take on the classic glacier glass, engineered for extreme mountain and high-glare environments. Featuring a Titan black frame with a Category 4 grey lens and an integrated mountain gasket, these sunglasses deliver exceptional protection and performance where conditions demand the very best.\u003c\/p\u003e\n\u003cp data-start=\"750\" data-end=\"882\"\u003eGrey Cat 4 lens – provides maximum light reduction and glare control for extreme brightness at high altitudes or on snow and water\u003c\/p\u003e\n\u003cp data-start=\"884\" data-end=\"986\"\u003eIncludes mountain gasket – creates a close, comfortable seal against wind, dust, and reflected light\u003c\/p\u003e\n\u003cp data-start=\"988\" data-end=\"1090\"\u003eModern glacier glass design – combines heritage mountaineering style with advanced sports technology\u003c\/p\u003e\n\u003cp data-start=\"1092\" data-end=\"1188\"\u003eTitan black KARBON TX™ bi-core injected frame – lightweight, flexible, and built for endurance\u003c\/p\u003e\n\u003cp data-start=\"1190\" data-end=\"1276\"\u003eQuick-change lens system – compatible with other Titan lenses for total adaptability\u003c\/p\u003e\n\u003cp data-start=\"1278\" data-end=\"1376\"\u003eOptional head strap – available for added security and stability during high-movement activities\u003c\/p\u003e\n\u003cp data-start=\"1378\" data-end=\"1469\"\u003eXTR Karbon8 optical class 1 lenses – distortion-free, impact-resistant, and crystal clear\u003c\/p\u003e\n\u003cp data-start=\"1471\" data-end=\"1501\"\u003eMaximum UVA \u0026amp; UVB protection\u003c\/p\u003e\n\u003cp data-start=\"1503\" data-end=\"1537\"\u003eTested to BS EN ISO 12312-1:2022\u003c\/p\u003e\n\u003cp data-start=\"1539\" data-end=\"1613\"\u003eFrame size: 72 □ 26-139 – 72mm lens width, 26mm bridge, 139mm arm length\u003c\/p\u003e\n\u003cp data-start=\"1615\" data-end=\"1665\"\u003e\u003cem data-start=\"1615\" data-end=\"1663\"\u003eCategory 4 lenses are not suitable for driving\u003c\/em\u003e\u003c\/p\u003e","brand":"Bloc","offers":[{"title":"Default Title","offer_id":51883812454664,"sku":"GAS4630","price":55.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/1858\/4072\/files\/Untitled_2048x2048px_-2025-10-17T102456.642.jpg?v=1760693106"}],"url":"https:\/\/bloceyewear.com\/collections\/mountaineering-sunglasses.oembed","provider":"Bloc Eyewear","version":"1.0","type":"link"}