Portwest S770 Bizflame Rain Waterproof Fire Jacket

  • Anti-static chemical-resistant FR coat
  • Ideal for outdoor industrial work in wet conditions
  • Highest possible rating for breathability and waterproofing under EN 343
  • Reflective striping for increased visibility
Our Price:  £97.28
Excl. VAT. (£116.74 Inc. 20% VAT)

Portwest S770 Bizflame Rain Waterproof Fire Jacket

The Portwest S770 Bizflame Rain Waterproof Fire Jacket has achieved the highest possible rating for breathability and waterproofing under EN 343. These weatherproof qualities, along with resistance to chemicals, flame and the build-up of static charge, ensure the coat is ideal for performing hazardous industrial tasks in the worst of downpours.

What Can the Bizflame Rain Waterproof Fire Jacket Do for Me?

The jacket has numerous helpful features, including the following:

  • Waterproof: Water penetration prevented by waterproof fabric with taped seams, highest rating for both waterproofing and breathability under EN 343
  • Warm: Detachable flame resistant fleece lining offers the option for additional warmth in cold environments
  • Multi-Hazard: Resistance to small igniting flames and light sprays of dangerous chemicals, inherent anti-static properties
  • Functional: Reflective tape for increased visibility, two-way zip for easy access, five pockets for storage, including a concealed phone pocket and an internal chest pocket

Who Can Use the Waterproof Fire Jacket?

The jacket is ideal for those who need to work outside in adverse weather conditions as it is warm, breathable and fully waterproof. Due to its flame resistant and chemical-resistant properties it is highly suitable for industrial professions. Some of the careers and settings for which the jacket is suited follow here:

  • Electrical workers
  • Industrial plant workers
  • Warehouse workers
  • Fabrication
  • Factory work

Which Size Is Right for Me?

To establish the correct size for you please measure the circumference of your chest as illustrated in the diagram. Then, with reference to the table below, select the correct option from the drop down menu at the top of the page.

Chest Measurement

Size Chest Circ. (cm)
Small 92 - 96cm
Medium 97 - 104cm
Large 105 - 112cm
Extra Large 113 - 124cm
XX-Large 125 - 132cm
XXX-Large 133 - 140cm

What Certifications Has the Bizflame Rain Jacket Received?

The Portwest jacket has undergone extensive testing, so you can be certain of your safety at work. Certifications include:

  • EN 343
    • Class 3:3
  • EN ISO 14116:
    • Index 3
  • EN 13034:
    • Type 6
  • EN 1149:
    • 5: Protects against electrostatic discharge in case of an explosion

What Do These Certifications Mean?

  • EN 1149: This standard demonstrates whether a garment protects against electrostatic discharge in environments such as petrochemical refineries where there is a risk of explosion
  • EN 13034: This standard refers to a garment's ability to protect against spatters from dangerous liquid chemicals
  • EN ISO 14116: This standard specifies whether a garment will protect the wearer from occasional and brief contact with small igniting flames
  • EN 343: This standard outlines the garment's level of protection against wet weather, the first class number referring to water resistance, the second referring to breathability

The coat has received the highest rating for breathability and waterproofing under EN 343. The jacket features inherent anti-static properties as well as resistance to brief contact with small igniting flames and light sprays of dangerous liquid chemicals.

Is Further Information Available on These Certifications?

If you would like to find out more about the standards mentioned here please read one of our blogs on the subject. Please see the links below:

Key Features of the Waterproof Fire Jacket

  • Flame resistant treated waterproof fabric prevents water penetration
  • Breathable fabric to draw moisture away from the body
  • Detachable lining for added versatility in all weather conditions
  • Taped seams to provide additional protection
  • FR reflective tape for increased visibility
  • Five pockets for ample storage, including concealed phone pocket and internal chest pocket
  • Two-way zip for quick and easy access
  • OEKO-Tex certified as free from harmful chemicals

Washing Instructions for the Portwest Jacket

  • Wash at 40°C or below
  • Do not bleach
  • Do not tumble dry
  • Do not iron
  • Do not dry clean
  • Use non-biological powder
  • Do not use softener

Technical Details of the Portwest Jacket

  • Shell Fabric: 98% Polyester, 2% Anti-Static Carbon Fibre, Breathable, PU Coated 250g
  • Lining Fabric: 100% Cotton Flame Resistant Lining 170g
  • Additional Lining Fabric Info: Full zip around removable fleece lining 350g


Conformity Statement User Instructions 1 User Instructions 2 User Instructions 3
Declaration of Conformity User Instructions User Instructions User Instructions

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This item will be dispatched by 1st Class Royal Mail, DPD courier or UPS courier.

The estimated delivery time for this item is usually 1-3 working days when ordered before 14:00, Monday to Friday (excluding Bank Holidays).

Please contact our Customer Care Team on 020 7501 0598 for an up to the minute delivery expectation for this product.

UK Delivery Charges

Certain orders delivered to the UK are subject to a delivery charge; refer to the table below for more information. Please note that all values are listed exclusive of VAT.

Order Value UK Delivery Charge
Up to £39.99 £4.95
£40.00 and over FREE

Coronavirus Update

Please note that, due to the current COVID-19 pandemic, our processing time may increase slightly. We would advise that orders may be set back by as much as five working days, though we are striving to keep our delivery schedule as close to normal as possible.

If you have been waiting over 7 working days for your order and would like an update, please contact our Customer Care team at helpdesk@workwear.co.uk.