{"product_id":"rock-fall-rf540-monzonite-high-leg-metatarsal-waterproof-safety-boot","title":"Rock Fall Metatarsal Safety Boot RF540 Monzonite Waterproof S3","description":"\u003ch2\u003eRock Fall RF540 Monzonite Black — High Leg Waterproof Internal Metatarsal Side Zip Safety Boot\u003c\/h2\u003e\n\u003cp\u003eThe Rock Fall metatarsal safety boot RF540 Monzonite is a durable waterproof S3 composite toe work boot designed for demanding environments across the UK.\u003c\/p\u003e\n\u003cp\u003eIdeal for workers looking for rock fall metatarsal safety boots and waterproof safety boots for industrial and construction environments.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eRock Fall RF540 Monzonite Black\u003c\/strong\u003e is a premium \u003cstrong\u003ehigh leg waterproof internal metatarsal side zip safety boot\u003c\/strong\u003e combining non-metallic composite protection with an internal metatarsal guard, high leg upper for maximum ankle support, and a side zip for fast on and off. S3 WR MET SRC rated — built for heavy industry, construction, and trades where metatarsal protection and waterproofing are essential. Certified to EN ISO 20345.\u003c\/p\u003e\n\u003cp\u003eIdeal for workers looking for metatarsal safety boots and waterproof safety boots suitable for industrial and construction environments.\u003c\/p\u003e\n\u003ch2\u003e✅ Safety Ratings \u0026amp; Certifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eEN ISO 20345\u003c\/strong\u003e certified\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eS3\u003c\/strong\u003e — composite toecap + composite midsole + waterproof upper + antistatic + energy absorbing heel\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWR\u003c\/strong\u003e — water resistant upper\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eMET\u003c\/strong\u003e — internal metatarsal protection\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSRC\u003c\/strong\u003e — highest slip resistance on both ceramic tile (SRA) and steel (SRB)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e✅ Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eHigh Leg Upper\u003c\/strong\u003e — maximum ankle support and protection on demanding sites\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eInternal Metatarsal Guard (MET)\u003c\/strong\u003e — protects the metatarsal bones from heavy falling objects\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSide Zip\u003c\/strong\u003e — fast, convenient on and off without unlacing\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e100% Non-Metallic\u003c\/strong\u003e — composite construction, safe for metal detector environments\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFully Waterproof\u003c\/strong\u003e — waterproof upper keeps feet dry in all conditions\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eComposite Toe Cap\u003c\/strong\u003e — lightweight 200J protection, non-sparking\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eComposite Midsole\u003c\/strong\u003e — non-metallic penetration protection underfoot\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSRC Slip Resistance\u003c\/strong\u003e — highest slip resistance rating available\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eAntistatic\u003c\/strong\u003e — safe for electrical environments\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eEnergy Absorbing Heel\u003c\/strong\u003e — reduces fatigue on hard surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho Is the Rock Fall RF540 Monzonite For?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeavy industry and construction workers requiring metatarsal protection\u003c\/li\u003e\n\u003cli\u003eWorkers who need a high leg boot with fast side zip access\u003c\/li\u003e\n\u003cli\u003eWorkers in metal detector environments (non-metallic)\u003c\/li\u003e\n\u003cli\u003eAnyone who needs a waterproof high leg metatarsal side zip safety boot\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the advantage of an internal metatarsal guard over an external one?\u003c\/strong\u003e\u003cbr\u003eAn internal metatarsal guard sits inside the boot, providing a cleaner profile and reducing the risk of snagging on equipment or machinery. It offers the same level of metatarsal protection as an external guard while being more comfortable and practical for everyday wear.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes IronStep offer free UK delivery?\u003c\/strong\u003e\u003cbr\u003eYes — free standard UK delivery on all orders over £50.\u003c\/p\u003e","brand":"Rock Fall","offers":[{"title":"5","offer_id":57436267381084,"sku":"RF540\/005","price":142.0,"currency_code":"GBP","in_stock":true},{"title":"6","offer_id":57436267413852,"sku":"RF540\/006","price":142.0,"currency_code":"GBP","in_stock":true},{"title":"7","offer_id":57436267446620,"sku":"RF540\/007","price":142.0,"currency_code":"GBP","in_stock":true},{"title":"8","offer_id":57436267479388,"sku":"RF540\/008","price":142.0,"currency_code":"GBP","in_stock":true},{"title":"9","offer_id":57436267512156,"sku":"RF540\/009","price":142.0,"currency_code":"GBP","in_stock":true},{"title":"10","offer_id":57436267544924,"sku":"RF540\/010","price":142.0,"currency_code":"GBP","in_stock":true},{"title":"11","offer_id":57436267577692,"sku":"RF540\/011","price":142.0,"currency_code":"GBP","in_stock":true},{"title":"12","offer_id":57436267610460,"sku":"RF540\/012","price":142.0,"currency_code":"GBP","in_stock":true},{"title":"13","offer_id":57436267643228,"sku":"RF540\/013","price":142.0,"currency_code":"GBP","in_stock":true},{"title":"14","offer_id":57436267675996,"sku":"RF540\/014","price":142.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1018\/4392\/7388\/files\/RF540-Monzonite-Low-Res-600x600.png?v=1777575011","url":"https:\/\/www.ironstep.co.uk\/products\/rock-fall-rf540-monzonite-high-leg-metatarsal-waterproof-safety-boot","provider":"IronStep","version":"1.0","type":"link"}