{"product_id":"mongrel-545030-oil-kip-elastic-sided-safety-boot-brown-scuff-cap","title":"Mongrel 545030 Oil Kip Elastic Sided Safety Boot Brown - Scuff Cap","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Mongrel 545030 is a heavy-duty \u003cstrong\u003eelastic-sided (pull-on) safety boot\u003c\/strong\u003e in premium brown oil-kip full-grain leather, built for trades that put their boots through punishment. It combines a \u003cstrong\u003e200J steel toe cap\u003c\/strong\u003e and a moulded PU scuff cap with a genuine \u003cstrong\u003eVibram® rubber outsole rated to 300°C\u003c\/strong\u003e, making it one of the toughest heat-, oil- and acid-resistant work boots you can buy. Proudly \u003cstrong\u003emade in Australia\u003c\/strong\u003e by Mongrel Boots.\u003c\/p\u003e\n\u003cp\u003eBecause the Vibram® outsole resists heat to 300°C and the boot is antistatic with SRC slip resistance, the 545030 is a favourite among \u003cstrong\u003eelectricians, welders, metal workers and fabricators\u003c\/strong\u003e — anyone working around heat, sparks and demanding underfoot conditions. The slip-on elastic-sided design means no laces to catch or melt, so you pull them on and get to work.\u003c\/p\u003e\n\u003cp\u003eInside, Mongrel’s \u003cstrong\u003eAirZone® Comfort System\u003c\/strong\u003e and \u003cstrong\u003eOrthoTec® Poron® footbed\u003c\/strong\u003e with anatomical arch support and shock-absorbing heel cushioning keep you comfortable and reduce fatigue across a long shift, while a temperature-regulating, fully-lined interior and a premium polyurethane cushion midsole add all-day support. Coats Nylbond® stitching and a one-piece blocked vamp mean these boots are made to last.\u003c\/p\u003e\n\u003ch2\u003eKey features \u0026amp; specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety standards:\u003c\/strong\u003e Certified to AS 2210.3:2019 and ISO 20345:2011 (MOD), and ASTM F2413 now CE rated \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eToe protection:\u003c\/strong\u003e 200J steel toe cap with moulded PU scuff cap for added longevity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpper:\u003c\/strong\u003e Premium oil \u0026amp; acid resistant full-grain leather (brown \/ claret)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutsole:\u003c\/strong\u003e Genuine Vibram® rubber, heat resistant to \u003cstrong\u003e300°C\u003c\/strong\u003e, oil \u0026amp; acid resistant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlip resistance:\u003c\/strong\u003e SRC rated for excellent grip and traction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAntistatic:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClosure:\u003c\/strong\u003e Elastic-sided \/ pull-on (no laces)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComfort:\u003c\/strong\u003e AirZone® Comfort System + premium PU cushion midsole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFootbed:\u003c\/strong\u003e OrthoTec® Poron® with anatomical arch support and shock-absorbing heel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLining:\u003c\/strong\u003e Temperature-regulating, fully lined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e One-piece blocked vamp, Coats Nylbond® stitching\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e Australia\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes:\u003c\/strong\u003e UK 5–13 (including 6.5–10.5 half sizes)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho it’s for\u003c\/h2\u003e\n\u003cp\u003eThe 545030 is built for heavy-duty and high-heat trades: \u003cstrong\u003eelectricians, welders, fabricators, metal workers, foundry and engineering work\u003c\/strong\u003e, as well as general construction, farming and heavy industry where a tough, slip-on boot is needed. If you want the protection of a steel toe and the convenience of a pull-on dealer boot — without compromising on a serious outsole — this is the boot.\u003c\/p\u003e\n\u003ch2\u003eSizing \u0026amp; fit\u003c\/h2\u003e\n\u003cp\u003eMongrel boots are generally \u003cstrong\u003etrue to size\u003c\/strong\u003e in UK sizing, with half sizes available from 6.5 to 10.5 which are wider, not longer. If you’re between sizes or wear thicker work socks, we’d suggest going up to the next half size. Not sure? Get in touch and we’ll help you find the right fit, and we offer free exchanges if the size isn’t right.\u003c\/p\u003e\n\u003ch2\u003eWhy buy from BIG Boots UK?\u003c\/h2\u003e\n\u003cp\u003eWe’re a small, family-run business that lives and breathes Australian work boots. Originally from Australia ourselves, we know these brands inside out and only stock boots we’d wear on our own feet. Every pair is genuine, fully warranted, and backed by people who actually use them on the tools.\u003c\/p\u003e\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the Mongrel 545030 outsole protect against?\u003c\/strong\u003e\u003cbr\u003eIt uses a genuine Vibram® rubber outsole that is heat resistant up to 300°C and resistant to oil and acid, with SRC slip resistance for grip on demanding surfaces. That combination is why it’s popular with electricians, welders and metal workers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the Mongrel 545030 a safety boot?\u003c\/strong\u003e\u003cbr\u003eYes. It has a 200J steel toe cap and is certified to AS 2210.3:2019 and ISO 20345:2011 (MOD), plus ASTM F2413. It also features a moulded PU scuff cap to protect the toe area and extend the life of the boot.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these boots heat resistant enough for welding and hot work?\u003c\/strong\u003e\u003cbr\u003eThe Vibram® outsole is rated to 300°C, which is why the 545030 is a popular choice for welding, fabrication and metalwork. As with any safety footwear, always match your PPE to your specific workplace risk assessment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo elastic-sided (dealer) boots stay on well?\u003c\/strong\u003e\u003cbr\u003eYes. The elastic gusset on each side flexes to grip your foot and ankle, so the boot stays secure while still being quick to pull on and off. With no laces, there’s nothing to come undone, snag or catch — a real advantage around machinery and hot work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre Mongrel boots true to size?\u003c\/strong\u003e\u003cbr\u003eMongrel boots generally fit true to size in UK sizing, and this style is available in half sizes from 6.5 to 10.5. If you’re between sizes or wear thick socks, size up to the next half size. We offer free exchanges if the fit isn’t right. Half Sizes are wider, not longer. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere are Mongrel boots made?\u003c\/strong\u003e\u003cbr\u003eMongrel Boots are proudly made in Australia and have been since 1930. The 545030 is built with premium full-grain leather, a Vibram® outsole and Coats Nylbond® stitching for long-lasting durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo you offer next day delivery?\u003c\/strong\u003e\u003cbr\u003eYes. We offer fast UK delivery with express and next-day options at checkout. See our delivery page for the latest options and cut-off times.\u003c\/p\u003e","brand":"Mongrel","offers":[{"title":"UK 6","offer_id":56998546211194,"sku":"545030 - 6","price":125.0,"currency_code":"GBP","in_stock":false},{"title":"UK 7","offer_id":56998546243962,"sku":"545030 - 7","price":125.0,"currency_code":"GBP","in_stock":false},{"title":"UK 8","offer_id":56998546276730,"sku":"545030 - 8","price":125.0,"currency_code":"GBP","in_stock":false},{"title":"UK 8.5","offer_id":56998546309498,"sku":"545030 - 8.5","price":125.0,"currency_code":"GBP","in_stock":false},{"title":"UK 9","offer_id":56998546342266,"sku":"545030 - 9","price":125.0,"currency_code":"GBP","in_stock":false},{"title":"UK 9.5","offer_id":56998546375034,"sku":"545030 - 9.5","price":125.0,"currency_code":"GBP","in_stock":false},{"title":"UK 10","offer_id":56998546407802,"sku":"545030 - 10","price":125.0,"currency_code":"GBP","in_stock":false},{"title":"UK 10.5","offer_id":56998546440570,"sku":"545030 - 10.5","price":125.0,"currency_code":"GBP","in_stock":false},{"title":"UK 11","offer_id":56998546473338,"sku":"545030 - 11","price":125.0,"currency_code":"GBP","in_stock":false},{"title":"UK 12","offer_id":56998546506106,"sku":"545030 - 12","price":125.0,"currency_code":"GBP","in_stock":false},{"title":"UK 13","offer_id":56998546538874,"sku":"545030 - 13","price":125.0,"currency_code":"GBP","in_stock":false},{"title":"UK 14","offer_id":56998546571642,"sku":"545030 - 14","price":125.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0276\/2981\/3803\/files\/545030_Hero.jpg?v=1782211603","url":"https:\/\/www.bigboots.co.uk\/products\/mongrel-545030-oil-kip-elastic-sided-safety-boot-brown-scuff-cap","provider":"BIG Boots UK","version":"1.0","type":"link"}