{"product_id":"crossfire-safety-glasses-es4-lightweight-protective-eyewear","title":"Crossfire Safety Glasses ES4 - Lightweight Protective Eyewear","description":"\u003cp\u003eIn this review of the Crossfire Safety Glasses ES4 the bottom line is simple: these are practical, comfortable safety glasses for tradespeople and hobbyists who need dependable eye protection without bulk. The ES4 stands out primarily because of its ultralight frame and 100% polycarbonate construction that still meets and exceeds \u003cstrong\u003eANSI Z87.1-2003\u003c\/strong\u003e high impact standards. For anyone who spends hours wearing eye protection under hoods or helmets, the adjustable nosepiece and excellent peripheral coverage make these glasses an easy daily choice.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Polycarbonate:\u003c\/strong\u003e Lenses and frame material provide high impact resistance while remaining light enough for long shifts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Nosepiece:\u003c\/strong\u003e The customizable fit reduces pressure on the bridge of the nose and helps keep the glasses centered during movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 to 10 Base Curve Design:\u003c\/strong\u003e Curved frames maximize side coverage for better peripheral protection in dynamic work environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUVA\/UVB Protection:\u003c\/strong\u003e Lenses block 99.9% of harmful UVA and UVB rays, useful for outdoor tasks and bright workshop lighting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisually Correct Lenses:\u003c\/strong\u003e 100% visually correct optics reduce distortion and eye strain during detailed work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Flexible Frame:\u003c\/strong\u003e Temples and frame are ultra-lightweight yet impact resistant, so they flex rather than break in typical jobsite use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Crossfire ES4 is best suited to construction workers, welders who need eyewear that fits under hoods, lab technicians, and home workshop users who value comfort and wide protection. Its light weight and correct optics make it a good pick for anyone wearing safety glasses for extended periods.\u003c\/p\u003e\n\u003cp\u003eThose who need prescription lenses, tinted sunwear for prolonged outdoor use, or specialty filters should look elsewhere, since this model is focused on clear, general-purpose protection rather than prescription integration or polarized sun performance.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eComfortable ultralight frame that stays pleasant for long wear.\u003c\/li\u003e\n\u003cli\u003eExcellent eye coverage from the 8 to 10 base curve design for strong peripheral protection.\u003c\/li\u003e\n\u003cli\u003eHigh-impact polycarbonate lenses that meet and exceed ANSI Z87.1-2003 standards.\u003c\/li\u003e\n\u003cli\u003eAffordable feel and styling that resemble regular glasses, making them acceptable for varied environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot intended as prescription-ready eyewear, so users needing corrective lenses will need inserts or a different model.\u003c\/li\u003e\n\u003cli\u003eLimited color and tint options compared with specialized outdoor or welding filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e100% Polycarbonate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eMade in the USA or Imported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandards\u003c\/td\u003e\n\u003ctd\u003eMeets or exceeds ANSI Z87.1-2003 high impact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUV Protection\u003c\/td\u003e\n\u003ctd\u003e99.9% UVA and UVB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame Curve\u003c\/td\u003e\n\u003ctd\u003e8 to 10 base curve for side coverage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFeatures\u003c\/td\u003e\n\u003ctd\u003eAdjustable nosepiece, ultralight, flexible temples\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Crossfire ES4 safety glasses are a sensible buy for workers and hobbyists who need reliable, comfortable eye protection without extra weight or bulk. Because they combine \u003cstrong\u003ehigh impact\u003c\/strong\u003e polycarbonate lenses, wide peripheral coverage, and an adjustable fit, they represent good value for everyday safety use.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these glasses high-impact rated?\u003c\/strong\u003e\u003cbr\u003eYes. The lenses and frames meet and exceed ANSI Z87.1-2003 high impact standards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo they block UV rays?\u003c\/strong\u003e\u003cbr\u003eYes. The lenses offer 99.9% protection from harmful UVA and UVB rays.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill they fit under a welding hood?\u003c\/strong\u003e\u003cbr\u003eThey are low-profile and lightweight, and many users report they fit comfortably under welding hoods.\u003c\/p\u003e","brand":"Crossfire","offers":[{"title":"Default Title","offer_id":48681748496603,"sku":"B007RP93F4","price":48.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/41gCgNKRtDL._AC_SL1000.jpg?v=1778684952","url":"https:\/\/gearmusthave.com\/products\/crossfire-safety-glasses-es4-lightweight-protective-eyewear","provider":"GearMustHave","version":"1.0","type":"link"}