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A21-DEFENDER S3 Black Leather Chelsea Safety Boots – Slip & Heat Resistant, Goodyear Welted
A21-DEFENDER S3 Black Leather Chelsea Safety Boots – Slip & Heat Resistant, Goodyear Welted
A21-DEFENDER S3 Black Leather Chelsea Safety Boots – Slip & Heat Resistant, Goodyear Welted
A21-DEFENDER S3 Black Leather Chelsea Safety Boots – Slip & Heat Resistant, Goodyear Welted
A21-DEFENDER S3 Black Leather Chelsea Safety Boots – Slip & Heat Resistant, Goodyear Welted
A21-DEFENDER S3 Black Leather Chelsea Safety Boots – Slip & Heat Resistant, Goodyear Welted
A21-DEFENDER S3 Black Leather Chelsea Safety Boots – Slip & Heat Resistant, Goodyear Welted
A21-DEFENDER S3 Black Leather Chelsea Safety Boots – Slip & Heat Resistant, Goodyear Welted
A21-DEFENDER S3 Black Leather Chelsea Safety Boots – Slip & Heat Resistant, Goodyear Welted
A21-DEFENDER S3 Black Leather Chelsea Safety Boots – Slip & Heat Resistant, Goodyear Welted
A21-DEFENDER S3 Black Leather Chelsea Safety Boots – Slip & Heat Resistant, Goodyear Welted
A21-DEFENDER S3 Black Leather Chelsea Safety Boots – Slip & Heat Resistant, Goodyear Welted
A21-DEFENDER S3 Black Leather Chelsea Safety Boots – Slip & Heat Resistant, Goodyear Welted
A21-DEFENDER S3 Black Leather Chelsea Safety Boots – Slip & Heat Resistant, Goodyear Welted

A21-DEFENDER S3 Black Leather Chelsea Safety Boots – Slip & Heat Resistant, Goodyear Welted

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Regular price £54.95 Save £-54.95


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Delivery time

All Sievi Safety Footwear styles are despatched direct from Sievi's Factory in Finland and take around 10 - 14 working days to arrive. Call us on 0121 555 8446 if you have any questions.

A21-DEFENDER S3 Black Leather Chelsea Safety Boots – Slip & Heat Resistant, Goodyear Welted

£54.95

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Product Description

Classic Chelsea Style. Modern Safety Performance.

The A21-DEFENDER brings together timeless Chelsea boot design with advanced safety technology. Crafted with a black leather upper, elasticated side panels, and a Goodyear welted outsole, this S3-rated safety boot delivers dependable protection with effortless pull-on convenience.

Engineered for harsh work conditions, it features a steel toe cap and a non-metallic penetration-resistant midsole to guard against impact and underfoot hazards. The outsole is SRC slip-rated, HRO heat-resistant, and oil & acid resistant, making it ideal for both industrial and trades environments.

Inside, a removable PU foam insole and shock-absorbing heel provide all-day comfort and energy return.


Key Features:

  • S3 Certified (EN ISO 20345:2011) – Maximum protection for industrial use

  • Chelsea Boot Design – Easy on/off with elasticated side panels

  • Black Full-Grain Leather Upper – Durable and professional-looking

  • Steel Toe Cap (200J Impact Protection) – Tough impact resistance

  • Non-Metallic Midsole (1100N Protection) – Lightweight underfoot defense

  • Goodyear Welted Construction – Heavy-duty build quality for long-term durability

  • HRO Heat Resistant Outsole – Withstands contact heat up to 300°C

  • SRC Slip & Oil Resistant Sole – Excellent traction on slick surfaces

  • Shock Absorbing Heel (E Rated) – Reduces fatigue during long shifts

  • Removable PU Foam Insole – Comfortable cushioning and easy to clean

  • Antistatic Properties – Prevents static buildup in sensitive environments


📏 Available Sizes: UK 6–13

Safety Rating: EN ISO 20345:2011 | S3 | SRC | HRO
Construction: Chelsea Boot | Goodyear Welted | Steel Toe | Metal-Free Midsole
Color: Black


Whether you're in construction, manufacturing, or workshop trades, the A21-DEFENDER Chelsea Safety Boot combines rugged functionality with effortless, slip-on style for professionals who don’t compromise on performance or comfort.

Shipping & Returns

Royal Mail Tracked 24 or DPD

Orders over £200 - Delivered Free

Orders under £200 - Delivery £4.99

Returns Policy

Easy, Hassle Free Returns

30 Days from despatch date

To be eligible for a return, your item must be in the same condition that you received it, unworn & unused, with tags, and in its original packaging. See our Refund Policy for full details.

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