Carhartt 400018 Belmont Rugged Flex S3L Lightweight Safety Work Boots Sizes Uk 5.5-13 PPE Workwear
Carhartt 400018 Belmont Rugged Flex S3L Lightweight Safety Work Boots
Black | Brown | Sizes UK 5.5–13
Aluminium Toe | S3L Rated | Water-Resistant Upper | Rugged Flex™ Technology
Available now on Trade In Timber EXTRA — Your Online Workwear & Safety Boot Specialists
The Carhartt 400018 Belmont Rugged Flex S3L Safety Boot is built for professional performance, long-lasting comfort and all-weather protection. Designed for trade workers who spend long hours on their feet, this lightweight safety boot combines a water-resistant suede leather and microfibre upper with a strong aluminium safety toe, ensuring high-level protection without sacrificing comfort.
Engineered with Carhartt Rugged Flex™ technology, these boots move with you throughout the day, preventing fatigue and keeping you comfortable across mixed terrain. The compressed textile anti-penetration plate, shock-absorbing footbed, and high-traction SRC rubber outsole provide dependable safety and stability across demanding work environments.
⭐ Key Features
✔ Aluminium Safety Toe (200J Rated) — lightweight, protective and compliant with S3L standards
✔ Water-Resistant Suede Leather & Microfibre Upper — ideal for dry and light rain conditions
✔ Rugged Flex™ Technology — enhances mobility and all-day comfort
✔ Compressed Textile Anti-Penetration Plate — strong, flexible & lightweight protection
✔ Energy-Absorbing Footbed (Removable) — comfort insock with anti-odour and moisture management
✔ SRC Rubber Outsole — slip-resistant, oil-resistant and fuel-resistant for secure traction
✔ Lightweight Stability Shank — reduces foot fatigue during long shifts
✔ Mesh Lining — enhances airflow and internal breathability
✔ Regular Fit (Fits Half a Size Larger) — engineered for feet that expand during long workdays
✔ Only 640g per boot (EU 42) — lightweight design for daily use
🔧 Ideal For
Construction & General Trades
Warehouse, Logistics & Drivers
Light Industrial & Manufacturing
Utilities & Maintenance Workers
Outdoor Work in Dry to Light Rain Conditions
Mixed Terrain & Urban Environments
📏 Full Specifications Table
| Feature | Specification |
|---|---|
| Brand | Carhartt |
| Model | 400018 Belmont Rugged Flex |
| Toe Cap | Aluminium 200J Safety Toe |
| Protection Rating | S3L |
| Upper Material | Water-resistant suede leather & microfibre |
| Lining | Breathable mesh |
| Midsole | Expanded injection polyurethane with micro-bubbles |
| Anti-Penetration Plate | Compressed textile |
| Outsole | SRC rubber — oil, fuel & slip-resistant |
| Energy Absorption | Heel insock with anti-odour properties |
| Heat Resistance | HRO outsole (up to 300°C) |
| Heat Insulation | HI rated (30 mins at 150°C) |
| Fit | Regular (fits half size larger) |
| Weight | 640g (EU 42) |
| Eyelets | Coated iron eyelets & lace rings |
| Closure | Lace-up |
| Sizes | UK 5.5–13 |
| Colours | Black, Brown |
| Safety Standard | AS/NZS 2210.3:2009 |
| Platform | Trade In Timber EXTRA |
🛠 Why Choose Carhartt Footwear?
Carhartt designs work boots engineered for real-world conditions, focusing on mobility, durability and reliability. The Belmont Rugged Flex S3L is purpose-built for professionals who need a lightweight safety boot that delivers long-lasting comfort, protection and stability — perfect for demanding jobs and all-day wear.
🚚 Available Now on Trade In Timber EXTRA
✓ Fast, reliable UK delivery
✓ 100% authentic Carhartt footwear
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Trade In Timber EXTRA-
(online purchase-nationwide delivery)
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