Flame Resistant Trousers

Flame resistant trousers are designed to provide essential lower-body protection in environments where exposure to heat, flames, or sparks is a risk. Built for durability and comfort, they help reduce the risk of burn injury while allowing freedom of movement throughout the working day.

Our range of flame resistant trousers is manufactured from advanced protective fabrics and meets relevant safety standards, making them suitable for industries such as oil and gas, utilities, welding, and industrial maintenance. Many styles feature reinforced seams, multiple pockets, and ergonomic designs to support demanding tasks, along with practical elements such as knee pad compatibility and adjustable fits.

31 products

  • Portwest Hi-Vis Contrast Modaflame Trouser
    Portwest Hi-Vis Contrast Modaflame Trouser
    Portwest Hi-Vis Contrast Modaflame Trouser

    Portwest Hi-Vis Contrast Modaflame Trouser

    £55.95 ex. VAT / £67.14 inc. VAT
    £55.95
    Sale Sold out

    Conforming to multiple EN standards, these trousers offer ideal protection against exposure to industrial hazards. The elasticated back waist allows for freedom of movement and ensures...

  • Portwest PW3 FR HVO Work Trousers
    Portwest PW3 FR HVO Work Trousers

    Portwest PW3 FR HVO Work Trousers

    £90.99 ex. VAT / £109.19 inc. VAT
    £90.99
    Sale Sold out

    Constructed using Inherent Modaflame, this contemporary FR Hi-Vis work trouser provides ultimate wearer comfort. FR durable reinforcement fabric at key abrasion points and triple stitching throughout...

  • Portwest PW3 FR Hi-Vis Holster Trousers
    Portwest PW3 FR Hi-Vis Holster Trousers

    Portwest PW3 FR Hi-Vis Holster Trousers

    £87.50 ex. VAT / £105.00 inc. VAT
    £87.50
    Sale Sold out

    Innovative Hi-Vis FR stretch trouser using high performing two-way stretch fabric to give maximum range of movement when working. Clever features include multi-functional zip removable holster...

  • Portwest Modaflame RIS Trouser
    Portwest Modaflame RIS Trouser

    Portwest Modaflame RIS Trouser

    £80.85 ex. VAT / £97.02 inc. VAT
    £80.85
    Sale Sold out

    Designed to be worn with the MV35 jacket, this trouser offers optimum protection in multi hazardous environments. The advanced technology fabric provides a range of features...

  • Portwest Modaflame Rain Multi Norm Arc Trouser
    Portwest Modaflame Rain Multi Norm Arc Trouser
    Portwest Modaflame Rain Multi Norm Arc Trouser

    Portwest Modaflame Rain Multi Norm Arc Trouser

    £108.50 ex. VAT / £130.20 inc. VAT
    £108.50
    Sale Sold out

    The Modaflame Rain Multi Norm Arc Trouser gives full protection against a range of standards and is packed with features. With a zip off function at...

  • Portwest Hi-Vis Modaflame Trousers
    Portwest Hi-Vis Modaflame Trousers

    Portwest Hi-Vis Modaflame Trousers

    £73.85 ex. VAT / £88.62 inc. VAT
    £73.85
    Sale Sold out

    Conforming to multiple EN standards, these trousers offer ideal protection against exposure to industrial hazards. The elasticated back waist allows for freedom of movement and ensures...

  • Portwest Hi-Vis Bizflame Pro Trousers
    Portwest Hi-Vis Bizflame Pro Trousers

    Portwest Hi-Vis Bizflame Pro Trousers

    £55.95 ex. VAT / £67.14 inc. VAT
    £55.95
    Sale Sold out

    This contemporary design offers maximum protection to multiple EN standards and guarantees excellent comfort. This high visibility two-tone trouser features an easy-access leg cargo pocket, functional...

  • Portwest FR Lightweight Anti-Static Trousers
    Portwest FR Lightweight Anti-Static Trousers
    Portwest FR Lightweight Anti-Static Trousers

    Portwest FR Lightweight Anti-Static Trousers

    £22.10 ex. VAT / £26.52 inc. VAT
    £22.10
    Sale Sold out

    Contemporary work trouser made with lightweight FR fabric. Packed with functionality including an adjustable leg length for added convenience. Multi-functional thigh pockets provide secure storage of...

  • Portwest Bizflame Ultra Two Tone Trouser
    Portwest Bizflame Ultra Two Tone Trouser
    Portwest Bizflame Ultra Two Tone Trouser
    Portwest Bizflame Ultra Two Tone Trouser

    Portwest Bizflame Ultra Two Tone Trouser

    £41.95 ex. VAT / £50.34 inc. VAT
    £41.95
    Sale Sold out

    Contemporary design using durable fabric, combining comfort and functionality. The hardwearing fabric is tough enough to withstand the rigours of industrial laundry, retaining shape and colour...

  • Portwest Bizflame Ultra Trouser
    Portwest Bizflame Ultra Trouser
    Portwest Bizflame Ultra Trouser

    Portwest Bizflame Ultra Trouser

    £45.15 ex. VAT / £54.18 inc. VAT
    £45.15
    Sale Sold out

    Designed to perform in the toughest conditions, this trouser combines hardwearing comfort with superb functionality. Made using durable fabric that withstands industrial washing, retaining shape and...

  • Portwest Bizflame Rain+ Hi-Vis Light Arc Trousers
    Portwest Bizflame Rain+ Hi-Vis Light Arc Trousers

    Portwest Bizflame Rain+ Hi-Vis Light Arc Trousers

    £69.95 ex. VAT / £83.94 inc. VAT
    £69.95
    Sale Sold out

    Bizflame Rain+ Hi-Vis Light Arc Trousers are a comfortable trouser that provide optimum protection in multi-risk environments. The elasticated waist makes it easy to pull the...

  • Portwest Bizflame Pro Trouser
    Portwest Bizflame Pro Trouser
    Portwest Bizflame Pro Trouser

    Portwest Bizflame Pro Trouser

    £25.05 ex. VAT / £30.06 inc. VAT
    £25.05
    Sale Sold out

    This rugged trouser offers comfort, strength and protection to several EN standards. Winning features include a comfort waistband, rule pocket and a handy patch pocket at...

  • Portwest Bizflame Plus Trouser
    Portwest Bizflame Plus Trouser
    Portwest Bizflame Plus Trouser
    Portwest Bizflame Plus Trouser

    Portwest Bizflame Plus Trouser

    £30.75 ex. VAT / £36.90 inc. VAT
    £30.75
    Sale Sold out

    This trouser is constructed with high visibility reflective tape double stitched for enhanced durability. Features include triple stitched seams, high visibility strips on legs, knee pad...

  • Portwest Bizflame Plus Lightweight Stretch Panelled Trouser
    Portwest Bizflame Plus Lightweight Stretch Panelled Trouser
    Portwest Bizflame Plus Lightweight Stretch Panelled Trouser

    Portwest Bizflame Plus Lightweight Stretch Panelled Trouser

    £35.70 ex. VAT / £42.84 inc. VAT
    £35.70
    Sale Sold out

    Contemporary work trouser made with lightweight FR cotton fabric with subtle stretch panels that allow for increased freedom of movement in all working positions. Packed with...

  • Portwest Bizflame Plus Contrast Trouser
    Portwest Bizflame Plus Contrast Trouser
    Portwest Bizflame Plus Contrast Trouser

    Portwest Bizflame Plus Contrast Trouser

    £35.70 ex. VAT / £42.84 inc. VAT
    £35.70
    Sale Sold out

    This trouser is constructed with high visibility reflective tape double stitched for enhanced visibility. Features include triple stitched seams, high visibility strips on legs, knee pad...

  • Portwest 3000 Overtrouser
    Portwest 3000 Overtrouser

    Portwest 3000 Overtrouser

    £229.60 ex. VAT / £275.52 inc. VAT
    £229.60
    Sale Sold out

    Designed to protect the lower body, the Solar FB31 Over-trousers is constructed using a Nomex® / Lenzing® FR Viscose fabric. The design offers high freedom of...

  • Portwest FR Chemical Resistant Trousers
    Portwest FR Chemical Resistant Trousers
    Portwest FR Chemical Resistant Trousers
    Portwest FR Chemical Resistant Trousers

    Portwest FR Chemical Resistant Trousers

    £33.95 ex. VAT / £40.74 inc. VAT
    £33.95
    Sale Sold out

    This FR Chemical Resistant Trousers is fully certified to EN13034 and offers excellent protection against chemicals, as well as flame resistant protection. Constructed in a superior...

  • Beeswift Hi Vis Flame Resistant Anti-static Trouser
    Beeswift Hi Vis Flame Resistant Anti-static Trouser

    Beeswift Hi Vis Flame Resistant Anti-static Trouser

    £52.60 ex. VAT / £63.12 inc. VAT
    £52.60
    Sale Sold out

    Beeswift Hi Vis Flame Resistant Anti-static Trouser "TESLA" Fire retardant, anti static trousers.• 320gsm Hi Vis flame retardAnt treated fabric with anti static grid• YKK Brass...

  • Portwest Bizweld FR Cargo Pant
    Portwest Bizweld FR Cargo Pant
    Portwest Bizweld FR Cargo Pant

    Portwest Bizweld FR Cargo Pant

    £27.95 ex. VAT / £33.54 inc. VAT
    £27.95
    Sale Sold out

    The Bizweld FR Cargo Pants offer protection against the thermal hazard of electric arc and guarantees flame resistance for the life of the garment. These modern...

  • Portwest Flame Resistant Molten Metal Trouser
    Portwest Flame Resistant Molten Metal Trouser

    Portwest Flame Resistant Molten Metal Trouser

    £105.70 ex. VAT / £126.84 inc. VAT
    £105.70
    Sale Sold out

    Developed for the demanding environment of aluminium, iron and steel works, this inherent fabric offers maximum protection. Features Highest protection against molten aluminium Class 2 welding...

  • Portwest WX3 FR Service Trousers
    Portwest WX3 FR Service Trousers

    Portwest WX3 FR Service Trousers

    £82.90 ex. VAT / £99.48 inc. VAT
    £82.90
    Sale Sold out

    Contemporary FR work trouser made from our inherent Modaflame 280gm fabric. Innovative design features like stretch panelling provide excellent comfort and flexibility in key movement areas....

  • Portwest FR Stretch Trousers
    Portwest FR Stretch Trousers
    Portwest FR Stretch Trousers

    Portwest FR Stretch Trousers

    £47.45 ex. VAT / £56.94 inc. VAT
    £47.45
    Sale Sold out

    These slim fit stretch pants offer protection against the thermal hazard of an electric arc. Made from the soft and stretching Bizflame 88/12 stretch fabric and...

  • Portwest PW3 FR Hi-Vis Women's Work Trousers
    Portwest PW3 FR Hi-Vis Women's Work Trousers

    Portwest PW3 FR Hi-Vis Women's Work Trousers

    £87.15 ex. VAT / £104.58 inc. VAT
    £87.15
    Sale Sold out

    Innovative PW3 FR Hi-Vis Womens' trousers incorporating high performing two-way stretch fabric to give maximum range of movement when working. Clever features include top loading knee...

  • Portwest PW3 FR Hi-Vis Work Trousers
    Portwest PW3 FR Hi-Vis Work Trousers

    Portwest PW3 FR Hi-Vis Work Trousers

    £71.35 ex. VAT / £85.62 inc. VAT
    £71.35
    Sale Sold out

    Constructed using Inherent Modaflame, this contemporary FR Hi-Vis Work Trousers provides ultimate wearer comfort. FR durable reinforcement fabric at key abrasion points and triple stitching throughout...