{"product_id":"klein-22018-bump-cap-insert","title":"Klein Bump Cap Insert (22018)","description":"\u003csection data-aplus\u003e\n\u003cdetails id=\"product-features\" class=\"acc\" open\u003e\n  \u003csummary\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"features\"\u003e\n      \u003cdiv class=\"card\"\u003e\n        \u003cdiv class=\"card-inside\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/certifications.svg\" alt=\"certifications\" class=\"aplusicon\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv\u003e\u003cstrong\u003eANSI\/ISEA 100 Level 2\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eRated for impact and penetration to ANSI\/ISEA 100-2024 Level 2, for confined spaces where a hard hat is impractical or not required.\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"card\"\u003e\n        \u003cdiv class=\"card-inside\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/size.svg\" alt=\"size\" class=\"aplusicon\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv\u003e\u003cstrong\u003eCut to Size\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eUncut, it fits L\/XL heads; trim it to fit S\/M heads without giving up fit or comfort.\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"card\"\u003e\n        \u003cdiv class=\"card-inside\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/airflow.svg\" alt=\"airflow\" class=\"aplusicon\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv\u003e\u003cstrong\u003eVented Shell\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eVent holes in the shell promote airflow and reduce heat buildup on long, warm shifts.\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"card\"\u003e\n        \u003cdiv class=\"card-inside\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/compliance.svg\" alt=\"compliance\" class=\"aplusicon\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv\u003e\u003cstrong\u003eFits Klein Caps\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eDesigned to slip inside the Klein Tools Adjustable Cap (22014) and Adjustable Bump Cap (22017).\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails id=\"product-overview\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\" data-product-summary\u003e\n    \u003cp\u003eThe Klein Tools Bump Cap Insert (22018) turns a Klein cap into head protection. This is a bump cap insert designed for confined-space work such as crawlspaces, mechanical rooms and anywhere a full hard hat is impractical or not required. Klein rates it to ANSI\/ISEA 100-2024 Level 2 for impact and penetration.\u003c\/p\u003e\n    \u003cp\u003eThe insert is low profile. It fits inside Klein Tools compatible caps without changing how the cap looks or wears, and integrates with the Klein Tools Adjustable Cap (Cat. No. 22014) and Klein Tools Adjustable Bump Cap (Cat. No. 22017).\u003c\/p\u003e\n    \u003cp\u003eConstruction is an HDPE shell lined with EVA foam, with a K329 foam top pad. Top and side padding gives all-day comfort and a secure fit, and vent holes in the shell let heat escape so it does not cook your head on a summer afternoon. The insert weighs 4.2 oz (118 g).\u003c\/p\u003e\n    \u003cp\u003eSizing is handled with a cut-to-size design. Uncut, the insert fits L\/XL head sizes 7-1\/4 to 8 (58 to 64 cm). Trimmed, it fits S\/M head sizes 6-1\/2 to 7-1\/2 (52 to 60 cm), without compromising protection or comfort.\u003c\/p\u003e\n    \u003cp\u003eWho should buy it: electricians, HVAC and plumbing techs, facility maintenance and anyone who keeps catching their head on joists, duct, or panel corners, and who would rather wear a cap than a hard hat in tight quarters.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails id=\"product-benefits\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eProtection Where a Hard Hat Will Not Fit\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"row\"\u003e\n      \u003cdiv class=\"img\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/klein-22018_callout1.jpg\" alt=\"Klein Tools 22018 bump cap insert worn under a cap while working in a tight crawlspace\" class=\"tnblock-img\"\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"copy\"\u003e\n        \u003cp\u003eLevel 2 impact and penetration protection in a low-profile insert, for jobs where a hard hat is impractical or not required.\u003c\/p\u003e\n        \u003cul\u003e\n          \u003cli\u003eANSI\/ISEA 100-2024 Level 2\u003c\/li\u003e\n          \u003cli\u003eImpact and penetration protection\u003c\/li\u003e\n          \u003cli\u003eLow-profile construction\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails id=\"product-benefits-2\" class=\"acc flip\"\u003e\n  \u003csummary\u003e\u003ch2\u003eVented to Stay Cooler\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"row\"\u003e\n      \u003cdiv class=\"img\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/klein-22018_callout2.jpg\" alt=\"Klein Tools 22018 bump cap insert vented HDPE shell allowing airflow in a warm work environment\" class=\"tnblock-img\"\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"copy\"\u003e\n        \u003cp\u003eVent holes in the shell move air and help reduce heat buildup through long, warm shifts.\u003c\/p\u003e\n        \u003cul\u003e\n          \u003cli\u003eVented HDPE shell\u003c\/li\u003e\n          \u003cli\u003eEVA foam lining\u003c\/li\u003e\n          \u003cli\u003eK329 foam top pad\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails id=\"product-benefits-3\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eTrim It to Fit\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"row\"\u003e\n      \u003cdiv class=\"img\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/klein-22018_callout4.jpg\" alt=\"Klein Tools 22018 bump cap insert trimmed down for a smaller head size\" class=\"tnblock-img\"\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"copy\"\u003e\n        \u003cp\u003eOne insert covers a wide size range. Leave it uncut for larger heads or trim it for smaller ones.\u003c\/p\u003e\n        \u003cul\u003e\n          \u003cli\u003eUncut: L\/XL, head size 7-1\/4 to 8 (58 to 64 cm)\u003c\/li\u003e\n          \u003cli\u003eCut: S\/M, head size 6-1\/2 to 7-1\/2 (52 to 60 cm)\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails id=\"product-key-specifications\" class=\"acc\" open\u003e\n  \u003csummary\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n\u003ctable class=\"aplusspecs\"\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection\u003c\/th\u003e\n\u003ctd\u003eANSI\/ISEA 100-2024 Level 2, impact and penetration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eBump cap insert with foam top pad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eHDPE shell, EVA foam, K329 foam top pad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVentilation\u003c\/th\u003e\n\u003ctd\u003eVented shell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize, Uncut\u003c\/th\u003e\n\u003ctd\u003eL\/XL, head size 7-1\/4 to 8 (58 to 64 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize, Cut\u003c\/th\u003e\n\u003ctd\u003eS\/M, head size 6-1\/2 to 7-1\/2 (52 to 60 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eGray\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions (L x W x H)\u003c\/th\u003e\n\u003ctd\u003e7-13\/16\" x 6-7\/8\" x 4-3\/8\" (19.8 x 17.5 x 11.2 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e4.2 oz (118 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n    \u003c\/div\u003e\n  \n\u003c\/details\u003e\n\u003cdetails id=\"product-compatibility\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"compat-list\"\u003e\n      \u003cdiv class=\"compat-row\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/compatible.svg\" alt=\"\" class=\"icon-sm\"\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eKlein Tools Adjustable Cap\u003c\/strong\u003e\n          \u003cdiv class=\"compat-detail\"\u003eCat. No. 22014\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"compat-row\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/compatible.svg\" alt=\"\" class=\"icon-sm\"\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eKlein Tools Adjustable Bump Cap\u003c\/strong\u003e\n          \u003cdiv class=\"compat-detail\"\u003eCat. No. 22017\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"compat-row\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/compatible.svg\" alt=\"\" class=\"icon-sm\"\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eReplacement Top Pad\u003c\/strong\u003e\n          \u003cdiv class=\"compat-detail\"\u003eKlein Tools Bump Cap Insert Top Pad, Cat. No. 22013\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails id=\"product-applications-uses\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eBuilt For\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"tags\"\u003e\n      \u003cspan class=\"tag\"\u003eElectrical\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eHVAC\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003ePlumbing\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eFacility Maintenance\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eConfined Spaces\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eMechanical Rooms\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails id=\"product-pro-tips\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003ePro Tip\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"tip-row\"\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/pro-tip.svg\" alt=\"\" class=\"icon-lg\"\u003e\n      \u003cp class=\"tip-text\"\u003eTry the insert uncut first. If it rides loose, trim gradually toward the S\/M size range rather than taking it all off at once; you cannot add material back.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails id=\"product-tool-nut-take\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eTool Nut's Take\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"eyebrow\"\u003eTool Nut's Take\u003c\/div\u003e\n    \u003ch3\u003eBump Protection Without the Hard Hat\u003c\/h3\u003e\n    \u003cp\u003eThe Klein Tools Bump Cap Insert (22018) adds ANSI\/ISEA 100 Level 2 protection inside a Klein cap.\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Trades working in crawlspaces, mechanical rooms and other tight spots where a hard hat is overkill or will not fit.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhy it stands out:\u003c\/strong\u003e Vented, low profile, cut-to-size and designed for Klein's own caps.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e A bump cap is not a hard hat. Use it where a hard hat is not required.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails id=\"product-faqs\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eCommon Questions\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhat standard does the Klein 22018 meet?\u003c\/strong\u003e ANSI\/ISEA 100-2024 Level 2 for impact and penetration.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhich caps does it fit?\u003c\/strong\u003e The Klein Tools Adjustable Cap (Cat. No. 22014) and Adjustable Bump Cap (Cat. No. 22017).\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhat head sizes does it fit?\u003c\/strong\u003e Uncut, L\/XL 7-1\/4 to 8 (58 to 64 cm). Cut, S\/M 6-1\/2 to 7-1\/2 (52 to 60 cm).\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCan I replace the top pad?\u003c\/strong\u003e Yes. Klein sells the foam top pad separately as Cat. No. 22013.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e","brand":"Klein Tools","offers":[{"title":"Default Title","offer_id":54244558700838,"sku":"22018-KLE","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/22018.jpg?v=1793303285","url":"https:\/\/www.toolnut.com\/products\/klein-22018-bump-cap-insert","provider":"Tool Nut","version":"1.0","type":"link"}