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Grafters M139 SB WR HRO SRC FO Waterproof Hiker Boots

£41.99 GBP Sold out

Unfortunately, this item is sold-out!

Waxy leather and a Jontex waterproof membrane make the M139 one of the more weatherproof boots in the Grafters hiker range, built to handle wet ground rather than just resist the odd splash. A steel toe cap covers impact protection, and the flexi rubber and Phylon sole is heat resistant, fuel and oil resistant, and SRC rated for the highest available slip resistance. Semi Goodyear welted construction adds durability at the sole junction. An energy absorbing heel and anti-static properties round out the SB WR HRO SRC FO certification. Available in black or brown, the M139 suits groundworkers, utility crews and anyone spending sustained time outdoors in wet conditions.

  • Jontex waterproof and breathable membrane
  • Semi Goodyear welted construction for durability
  • Heat resistant outsole alongside fuel and oil resistance

Composition:

  • Fastening: Lace Up
  • Upper Material: Leather
  • Lining: Textile
  • Sole: Other
  • Safety Standard: SB WR HRO SRC FO

Economy Delivery

Economy delivery is £3.99. Orders are sent via Royal Mail and aim to be delivered within 4-8 working days from despatch

Standard Delivery

Standard delivery is £4.49. Orders are sent via Royal Mail and aim to be delivered within 2-4 working days from despatch.

Express Delivery

Express delivery is £5.99. Orders are sent via Royal Mail and aim to be delivered within 1-2 working days from despatch.

Next Working Day Delivery

Next Working Day Delivery is £6.99. Orders are sent via DPD and aim to be delivered the next working day for all orders placed before 2pm Monday - Friday.

RETURNS

Returns are accepted for up to 30 days.

Combine With

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  • Cofra Diamond Silicon Leather Cream with Beeswax

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PRODUCT FAQs

Yes. A Jontex waterproof and breathable membrane runs through the waxy leather upper, keeping water out while letting moisture from the foot escape rather than trapping it.

The flexi rubber and Phylon outsole is heat resistant, meaning it holds up to hot surfaces without the sole softening or degrading, a genuinely useful feature for groundworkers near fresh tarmac or industrial heat sources.

Black waxy leather and brown Crazy Horse waxy leather, both sharing the same waterproof construction and rating.

Choosing the right safety footwear is about more than selecting a comfortable pair of boots or trainers. The safety rating tells you the level of protection the footwear has been independently tested to provide under EN ISO 20345, the principal European standard for occupational safety footwear.

What is EN ISO 20345?

EN ISO 20345 specifies the requirements for safety footwear fitted with a protective toe cap capable of resisting a 200-joule impact and a 15 kN compression force. Additional classifications identify further protection for different working environments.

Main Safety Ratings

Rating / Typical Protection

SB / Basic toe protection.

S1 / Toe protection, anti-static properties, heel energy absorption and fuel oil resistant outsole.

S1P / S1 plus penetration-resistant midsole.

S2 / S1 plus water-resistant upper.

S3 / S2 plus penetration resistance and cleated outsole.

S3S / Updated EN ISO 20345:2022 classification with toe protection, penetration resistance and cleated outsole.

S7 / High-performance waterproof safety footwear meeting additional water protection requirements.

Common Markings

Code / Meaning

ESD / Electrostatic discharge protection.

FO /Fuel oil resistant outsole.

SR / Slip resistance tested under EN ISO 20345:2022.

CI / Cold insulation.

HI / Heat insulation.

HRO / Heat-resistant outsole.

SC / Scuff cap abrasion resistance.

Choosing the Right Safety Rating

S1 and S1P are commonly chosen for indoor workplaces such as warehousing and manufacturing. S3 and S3S are popular for construction, engineering and outdoor work where greater protection and grip are required. If waterproof performance is important, choose footwear where this feature is specifically stated and the boot has a waterproof lining such as Gore-Tex, Cofra-Tex or Sympatex.

More Than a Safety Rating

The safety rating is only part of the decision. Consider comfort technologies, upper materials, weight, fastening systems, outsole design and whether features such as ESD protection or waterproof construction are required for your working environment.

Other Questions

Is S3 better than S1P?

Not always. S3 adds water-resistant upper requirements and a cleated outsole, making it better suited to many outdoor environments.

What does ESD mean?

ESD footwear helps control static electricity and is commonly used in electronics, manufacturing and other static-sensitive workplaces.

What is the difference between S3 and S3S?

S3S is the updated classification introduced with EN ISO 20345:2022. It reflects revised testing and terminology
while maintaining a high level of protection.


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