{"product_id":"knox-fr-long-sleeve-crew-shirt-for-men-women-lightweight-fr","title":"Knox FR Long Sleeve Crew Shirt for Men \u0026 Women - Lightweight FR","description":"\u003cp\u003eIn this review of the Knox FR Crew Shirt, the bottom line is simple: it is a lightweight, flame resistant long sleeve crew shirt built for workers who need NFPA2112 protection without heavy layers. The shirt is aimed at welders, electricians, fitters and other industrial trades where flash fire or arc flash hazards are a concern, and its single biggest selling point is the combination of certified flame resistance with a breathable, soft polyester construction that works well as a standalone layer on warm days or as a base layer under outerwear.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNFPA2112 certified:\u003c\/strong\u003e The shirt exceeds the NFPA2112 standard for protection against flash fire, giving reliable performance where code compliance matters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight FR fabric:\u003c\/strong\u003e The polyester construction is designed to be breathable and soft, helping keep the wearer cool and comfortable during warm shifts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong sleeve crew design:\u003c\/strong\u003e Extended sleeve coverage and double stitched seams improve protection in high contact areas while maintaining freedom of movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture management:\u003c\/strong\u003e Fabric wicks moisture to help reduce clamminess on hot days and under layers, improving on-the-job wearability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-static construction:\u003c\/strong\u003e 100% polyester FR fabric helps reduce static buildup in environments where that is a concern.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable assembly:\u003c\/strong\u003e Stitched with FR thread throughout and with taped inside back seam to reduce irritation and extend garment life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Knox FR Crew Shirt is best for industrial professionals who need certified flame resistant apparel but prefer a lightweight option that breathes. It is well suited to welders, oil and gas workers, utility crews, construction trades, and any worker exposed to potential flash fire or arc flash hazards who also values comfort on warm days.\u003c\/p\u003e\n\u003cp\u003eWorkers who need heavy thermal insulation, thicker abrasion resistance, or multilayer thermal protection should consider heavier FR garments or outerwear instead; this shirt is optimized for lightweight protection and comfort rather than heavy-duty insulation.\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\u003eLightweight and breathable fabric makes it comfortable to wear for long shifts in warm conditions.\u003c\/li\u003e\n\u003cli\u003eMeets NFPA2112 standards, so it provides reliable flash fire protection for industrial use.\u003c\/li\u003e\n\u003cli\u003eSoft, taped inside seam reduces irritation while FR threads and double stitching improve durability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial quality impressions vary among customers; some may find the fabric thinner than expected if they prefer heavier shirts.\u003c\/li\u003e\n\u003cli\u003eFit can run larger for some wearers, so sizing attention is recommended when ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKnox\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStyle\u003c\/td\u003e\n\u003ctd\u003eLong sleeve crew shirt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eMeets NFPA2112 flame resistant standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFabric\u003c\/td\u003e\n\u003ctd\u003eLightweight flame resistant 100% polyester\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eDouble stitched with FR thread, taped inside back seam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFeatures\u003c\/td\u003e\n\u003ctd\u003eAnti-static, moisture management, breathable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Knox FR Crew Shirt is a practical choice for professionals who need certified flame resistance without the weight of heavier work shirts. It delivers breathable, soft FR protection that works as a standalone layer on warm days or as a base layer under outerwear, offering good value for jobs that prioritize mobility and comfort while meeting NFPA2112 safety expectations.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this shirt certified for flash fire protection?\u003c\/strong\u003e\u003cbr\u003eYes. The shirt meets the NFPA2112 standard for flame resistant garments used for protection against flash fire.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this be comfortable in warm weather?\u003c\/strong\u003e\u003cbr\u003eThe lightweight polyester FR fabric is designed for breathability and moisture management, so many customers find it comfortable and cool on warmer shifts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the shirt run true to size?\u003c\/strong\u003e\u003cbr\u003eFit is mixed among users; some report it runs a bit large, so checking sizing guidance before ordering is recommended.\u003c\/p\u003e","brand":"Knox","offers":[{"title":"Default Title","offer_id":48238701445339,"sku":"B0BRNT99SK","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51IJNWApctL._AC_SL1065.jpg?v=1770910978","url":"https:\/\/gearmusthave.com\/products\/knox-fr-long-sleeve-crew-shirt-for-men-women-lightweight-fr","provider":"GearMustHave","version":"1.0","type":"link"}