{"product_id":"carolina-mens-freezer-8-comp-toe-wp-insulated-work-boot-brown-ca4590","title":"Carolina Men's Freezer 8\" Comp Toe Waterproof Insulated Work Boot - Brown - CA4590","description":"\u003ch3\u003e\u003cstrong\u003eLightweight, flexible, and warm without the bulk—step into our Freezer, Men's 8\" Composite Toe Insulated Work Boot built for -20°F conditions.\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis boot features ultra-thin insulation and Sc_Foam™ by Solarcore®, powered by NASA-grade Aerogel for serious heat retention. The composite toe meets ASTM standards, and the flexible 8” design keeps you moving in the coldest conditions.\u003c\/p\u003e\n\u003ch2\u003eKey Features of the Carolina CA4590\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposite Safety Toe\u003c\/strong\u003e — A non-metallic toe meeting ASTM F2413 for impact (I\/75) and compression (C\/75), with reduced cold transfer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolarcore® SC_Foam™ Aerogel Insulation\u003c\/strong\u003e — Rated to −20°F. Ultra-thin, derived from aerospace insulation technology.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDark Brown Barnyard Acid Resistant Leather Upper\u003c\/strong\u003e — Treated against the caustic chemicals found in heavy industry and on farms and ranches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof SCUBALINER™\u003c\/strong\u003e — Carolina's sealed proprietary waterproof lining system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolded Rubber Abrasion Toe\u003c\/strong\u003e — A bumper over the leather where boots wear out first.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolded External Heel Counter\u003c\/strong\u003e — Stiffens the heel against roll on uneven ground.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDRI-LEX® Moisture-Wicking Anti-Microbial Mesh Lining\u003c\/strong\u003e — Moves sweat off the foot and resists odor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemovable AG8™ Dual-Density Footbed\u003c\/strong\u003e — An update to the AG7, with enhanced arch support.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-Metallic Shank\u003c\/strong\u003e — Composite support with no steel in it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Hazard Rated\u003c\/strong\u003e — Tested to withstand up to 18,000 volts at 60Hz for one minute without leakage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCement Construction \u0026amp; EVA Midsole\u003c\/strong\u003e — A bonded sole that keeps the boot light and flexible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAerogrip Oil- \u0026amp; Slip-Resisting Rubber Outsole\u003c\/strong\u003e — Traction on cold, slick surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAerogel Is Not Gram-Weight Insulation\u003c\/h3\u003e\n\u003cp\u003eMost insulated boots are rated in grams — 200g, 400g, 600g — which measures how much Thinsulate™ or similar batting is packed into the boot. More grams means more warmth and more bulk, and eventually a boot that fits like a brick.\u003c\/p\u003e\n\u003cp\u003eAerogel works differently. It's among the least thermally conductive solid materials made, and Solarcore's SC_Foam™ delivers a −20°F rating in a layer thin enough that the boot still flexes and still fits like a boot. If you've avoided insulated footwear because of the bulk, this is the one to look at.\u003c\/p\u003e\n\u003ch3\u003eWarmth Without the Sweat\u003c\/h3\u003e\n\u003cp\u003eAn insulated boot fails when your foot sweats and the moisture carries heat away. The DRI-LEX® lining wicks that sweat outward and resists the microbes behind boot odor, while the sealed SCUBALINER™ keeps external water out. Warmth and dryness are the same problem.\u003c\/p\u003e\n\u003ch3\u003eWhy the Composite Toe Matters in Cold\u003c\/h3\u003e\n\u003cp\u003eSteel conducts heat away from your toes, so a steel-toe insulated boot goes cold at the cap first no matter what sits behind it. A composite cap doesn't — exactly what you want in a boot rated to −20°F.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose the CA4590?\u003c\/h2\u003e\n\u003cp\u003eSerious cold-weather protection without the bulk, on acid-resistant leather, with a composite toe that won't chill your toes.\u003c\/p\u003e\n\u003ch3\u003eSimilar Styles to Consider\u003c\/h3\u003e\n\u003cp\u003ePrefer conventional gram-weight insulation? The Dormite \u003ca href=\"https:\/\/uverlookboots.com\/products\/carolina-mens-dormite-8-comp-toe-ins-wp-work-boot-brown-ca8556\"\u003eCA8556\u003c\/a\u003e carries 600g of Thinsulate™. Don't need insulation at all? The Barrett \u003ca href=\"https:\/\/uverlookboots.com\/products\/carolina-mens-barrett-8-comp-toe-wp-work-boot-brown-ca5601\"\u003eCA5601\u003c\/a\u003e is uninsulated on the same acid-resistant leather. Browse all \u003ca href=\"https:\/\/uverlookboots.com\/collections\/composite-toe-boots\"\u003ecomposite toe boots\u003c\/a\u003e at Overlook Boots.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/carolina\"\u003eCarolina Boots\u003c\/a\u003e, \u003ca href=\"\/collections\/carolina-insulated-boots\"\u003eCarolina Insulated Boots\u003c\/a\u003e, \u003ca href=\"\/collections\/composite-toe-boots\"\u003eComposite Toe Work Boots\u003c\/a\u003e, \u003ca href=\"\/collections\/carolina-8-inch-work-boot\"\u003eCarolina 8 Inch Work Boots\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat does the −20°F rating mean in practice?\u003c\/h3\u003e\n\u003cp\u003eIt's the temperature the insulation system is rated to. Real-world warmth also depends on your own activity, your socks, and how long you stand still — a rating assumes you're generating some heat. Treat it as a guide, not a guarantee.\u003c\/p\u003e\n\u003ch3\u003eHow does aerogel compare to 600g Thinsulate™?\u003c\/h3\u003e\n\u003cp\u003eThey're rated differently, so there's no clean conversion. What aerogel buys you is warmth per millimeter: a −20°F rating in a layer thin enough that the boot doesn't feel packed. A 600g boot is warm too, and bulkier.\u003c\/p\u003e\n\u003ch3\u003eWhat does barnyard acid resistant mean?\u003c\/h3\u003e\n\u003cp\u003eThe leather is treated to resist degradation from manure, urine, fertilizer, and similar caustic chemicals. It is not the same as chemical-resistant footwear for industrial solvents.\u003c\/p\u003e\n\u003ch3\u003eHow does cement construction affect the boot?\u003c\/h3\u003e\n\u003cp\u003eThe outsole is bonded directly to the upper rather than stitched through a welt, which keeps an insulated boot light and lets it flex from the first day, with no break-in underfoot.\u003c\/p\u003e\n\u003ch3\u003eWhat safety standards does the Freezer CA4590 meet?\u003c\/h3\u003e\n\u003cp\u003eThe composite toe meets ASTM F2413 for impact (I\/75) and compression (C\/75), the boot is EH rated (tested to 18,000 volts at 60Hz for one minute), and the Aerogrip rubber outsole is oil- and slip-resisting.\u003c\/p\u003e\n\u003ch3\u003eHow does the Freezer fit?\u003c\/h3\u003e\n\u003cp\u003eIt runs true to size — order the size you wear in athletic shoes, and choose Wide if you normally need an EE width. The thin aerogel insulation keeps the fit close to an uninsulated boot rather than a bulky winter boot, and the AG8 footbed is removable.\u003c\/p\u003e","brand":"Carolina","offers":[{"title":"8 \/ Medium \/ Brown","offer_id":53229822181649,"sku":"726363766314","price":224.99,"currency_code":"USD","in_stock":false},{"title":"8 \/ Wide \/ Brown","offer_id":53229822214417,"sku":"726363766208","price":224.99,"currency_code":"USD","in_stock":true},{"title":"8.5 \/ Medium \/ Brown","offer_id":52704142098705,"sku":"726363766321","price":224.99,"currency_code":"USD","in_stock":true},{"title":"8.5 \/ Wide \/ Brown","offer_id":52704142131473,"sku":"726363766215","price":224.99,"currency_code":"USD","in_stock":true},{"title":"9 \/ Medium \/ Brown","offer_id":53229822247185,"sku":"726363766338","price":224.99,"currency_code":"USD","in_stock":true},{"title":"9 \/ Wide \/ Brown","offer_id":53229822279953,"sku":"726363766222","price":224.99,"currency_code":"USD","in_stock":true},{"title":"9.5 \/ Medium \/ Brown","offer_id":52704142229777,"sku":"726363766345","price":224.99,"currency_code":"USD","in_stock":true},{"title":"9.5 \/ Wide \/ Brown","offer_id":52704142262545,"sku":"726363766239","price":224.99,"currency_code":"USD","in_stock":true},{"title":"10 \/ Medium \/ Brown","offer_id":53229822312721,"sku":"726363766352","price":224.99,"currency_code":"USD","in_stock":true},{"title":"10 \/ Wide \/ Brown","offer_id":53229822345489,"sku":"726363766246","price":224.99,"currency_code":"USD","in_stock":true},{"title":"10.5 \/ Medium \/ Brown","offer_id":52704142360849,"sku":"726363768936","price":224.99,"currency_code":"USD","in_stock":true},{"title":"10.5 \/ Wide \/ Brown","offer_id":52781473661201,"sku":"726363766253","price":224.99,"currency_code":"USD","in_stock":true},{"title":"11 \/ Medium \/ Brown","offer_id":53229822378257,"sku":"726363766369","price":224.99,"currency_code":"USD","in_stock":true},{"title":"11 \/ Wide \/ Brown","offer_id":53229822411025,"sku":"726363766260","price":224.99,"currency_code":"USD","in_stock":true},{"title":"11.5 \/ Medium \/ Brown","offer_id":52781473759505,"sku":"726363766376","price":224.99,"currency_code":"USD","in_stock":true},{"title":"11.5 \/ Wide \/ Brown","offer_id":52781473792273,"sku":"726363766277","price":224.99,"currency_code":"USD","in_stock":true},{"title":"12 \/ Medium \/ Brown","offer_id":53229822443793,"sku":"726363766383","price":224.99,"currency_code":"USD","in_stock":true},{"title":"12 \/ Wide \/ Brown","offer_id":53229822476561,"sku":"726363766284","price":224.99,"currency_code":"USD","in_stock":true},{"title":"13 \/ Medium \/ Brown","offer_id":53229822509329,"sku":"726363766390","price":224.99,"currency_code":"USD","in_stock":true},{"title":"13 \/ Wide \/ Brown","offer_id":53229822542097,"sku":"726363766291","price":224.99,"currency_code":"USD","in_stock":true},{"title":"14 \/ Medium \/ Brown","offer_id":53229822574865,"sku":"726363766406","price":224.99,"currency_code":"USD","in_stock":true},{"title":"14 \/ Wide \/ Brown","offer_id":53229822607633,"sku":"726363766307","price":224.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1107\/6454\/files\/CLA-001-CA4590.jpg?v=1761886052","url":"https:\/\/uverlookboots.com\/products\/carolina-mens-freezer-8-comp-toe-wp-insulated-work-boot-brown-ca4590","provider":"Overlook Boots","version":"1.0","type":"link"}