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Mongrel 561 Side Zip Stone Safety Work Boots Sizes Uk 6-14 PPE Workwear

Original price £139.99 - Original price £139.99
Original price
£139.99
£139.99 - £139.99
Current price £139.99

Mongrel 561 Side Zip Safety PPE Work Boots – STONE

Australian-Made Heat-Resistant Safety Boots for Extreme Work Environments

Built to withstand the harshest job conditions, the Mongrel 561 Side Zip Safety Boots deliver premium protection, durability, and comfort. Made in Australia and now available in the UK, these boots feature a higher-cut design for added ankle protection and a full-grain leather upper engineered for long-lasting performance.

The Vibram® heat-resistant sole stands up to temperatures of up to 300°C, making these boots ideal for heavy industrial environments, metalwork, construction sites, road surfacing, farming, and mining.

For comfort, the OrthoTec Poron® footbed provides advanced shock absorption, anatomical arch support, and superior cushioning for long hours on your feet. The side zip + lace-up combo delivers quick on/off functionality without sacrificing a secure fit.

Part of the Trade In Timber EXTRA professional workwear and footwear range, these boots pair perfectly with our selection of work trousers, hi-vis gear, jackets, hoodies and PPE — all available with Fast Nationwide Delivery.


Key Features

  • Steel Safety Toe – Certified toe protection for heavy-duty worksites

  • EN ISO 20345:2022 Standard – Meets updated European safety requirements

  • S1 FO SC SR Rated
    ✔ Steel toe cap
    ✔ Anti-static protection
    ✔ Energy-absorbing heel
    ✔ Fuel and oil resistant outsole
    ✔ Scuff protection
    ✔ Top-level slip resistance

  • Vibram® Heat-Resistant Sole – Withstands temperatures up to 300°C

  • Full-Grain Leather Upper – Premium durability and abrasion resistance

  • Higher Cut for Extra Support – More stability & protection around the ankle

  • OrthoTec Poron® Footbed – Superior cushioning, shock absorption & arch support

  • Side Zip Entry – Fast on/off while keeping laces at your ideal tightness

  • Australian Made – Engineered for extreme industrial environments


Ideal For

  • Construction & groundwork

  • Metalwork & welding environments

  • Road laying & high-heat job sites

  • Agriculture & farming

  • Mining, utilities & industrial services

  • Tradesmen needing high-support, high-protection footwear


Trade In Timber EXTRA – Premium Workwear Range

Pair your Mongrel boots with our industry-leading selection of:

  • Work trousers & holster pocket pants

  • Men’s & women’s work boots

  • T-shirts, polos & thermal layers

  • Hoodies, sweatshirts & softshells

  • Hi-vis clothing and waterproof jackets

  • PPE, gloves, hearing protection & accessories

All available with Fast Nationwide Delivery.

Mongrel 561 boots, Mongrel safety boots UK, Mongrel work boots stone, heat resistant safety boots, Vibram sole work boots, side zip safety boots, Australian safety boots UK, heavy duty work boots, construction boots, metalwork boots, S1 FO SC SR boots, Trade In Timber EXTRA footwear.

Trade In Timber EXTRA-
(online purchase-nationwide delivery)


Lead time of 2-4 working days, but some items or addresses may take 7-10 working days.

Your delivery charge will be displayed in the trolley page at checkout prior to purchase.

Once the order has been purchased a member of our team will be in contact to discuss delivery.

The products ordered are for kerbside delivery only which means our drivers will unload goods at the nearest access point on the kerb outside of your property.

You can also collect timber from our Timber Yard. Our address is Power Station Rd, Minster on Sea, Sheerness, Kent ME12 3AD

We are open:

Monday - Friday 9am - 3pm

Saturday 9am - 1pm

Sunday closed

Huge savings can be made buying some of our products in bulk. Take a look at our bulk offers to see how much you can save.

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