Portwest FR402 WX3 Multi-Protection Flame Retardant Trousers
Portwest FR402 WX3 Flame Retardant Multi-Protection Trousers Product Features:
- Inherently flame retardant garment - retains its properties even after washing
- Protection against radiant, convective and contact heat
- Numerous large pockets
- Elasticated panels for increased comfort and freedom of movement
- Non-magnetic - nickel and iron free
- Segmented welded warning tape
- Adjustable leg length
- Two double-layer knee pockets
- Rule pocket
- Articulated knees for added comfort
- 40+ UPF fabric blocks 98% of UV rays UV
- Reinforced stitching in stress points
- Elasticated crotch - for easy movement
- 8 roomy pockets
- Elasticated waist for a better fit
- Practical cargo pocket
- Suitable for ATEX environments
- CE CAT III certified
Why choose Portwest FR402 WX3 Flame Retardant Multi-Protection Trousers?
These modern trousers provide the highest level of protection and comfort thanks to the naturally flame-retardant Modaflame fabric. Elasticated panels guarantee freedom of movement, and numerous pockets allow for convenient storage of tools and accessories. Reinforced stitching and shaped knees increase durability and comfort of use. Ideal for professionals working in demanding conditions.
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Manufacturer: Portwest

Portwest Polska
ul. Wiejska 49
41-250 Czeladz
obslugaklienta@portwest.com
Download - General safety instructions for upper clothing
Safety warnings:
- The product is not intended for children – protective and work clothing is designed exclusively for adults, in sizes and construction tailored to the needs of employees.
- Packaging suffocation or choking hazard – foil or plastic packaging should be stored and disposed of out of reach of children.
- No protection against hazards other than those specified in the product documentation – clothing does not provide protection against fire, chemicals, electricity or radiation unless it is designed and certified for this purpose.
- Reflective clothing:
- Reflective elements lose their effectiveness when they become dirty, wet, discolored or mechanically worn.
- Use in conditions of limited visibility requires adequate lighting and a contrasting background.
- Reflective elements must not be covered with other clothing or accessories.
- Clothing to protect against cold:
- Provides protection only within the range specified in the EN 342 or EN 14058 standards – it does not guarantee safety at extremely low temperatures, below the manufacturer's parameters.
- Layer your clothing as recommended to avoid the risk of hypothermia.
- Getting winter clothing wet can significantly reduce its insulating properties.
- Rainwear:
- Maintaining waterproofness depends on the correct fastening of all elements (zippers, Velcro, buttons, protective strips).
- Mechanical damage, prolonged use or washing at high temperatures may reduce the level of water resistance.
- Intense physical activity can cause moisture to accumulate inside clothing, requiring the use of breathable clothing or intermediate layers.
- Thermal underwear:
- Does not provide protection against direct contact with chemical, thermal or mechanical factors.
- The effectiveness of moisture wicking depends on the proper fit to the body.
- Excessive stretching or damage to the material may reduce its performance properties.
- Maintenance and cleaning:
- Failure to follow washing, drying or storage instructions may result in loss of protective properties.
- The use of chemicals not recommended by the manufacturer (e.g. bleach, solvents) may permanently damage fabrics and protective elements.
- Clothing exchange:
- Clothing that is worn, frayed, mechanically damaged or has visibly deteriorated reflective elements should be replaced immediately.
- Regularly checking the condition of clothing is crucial to maintaining the user's safety.
Download - General Safety Instructions for Work Trousers
Safety warnings:
- Not intended for children - intended for adult users only.
- Risk of suffocation or choking due to packaging – keep foil packaging away from children.
- The trousers do not provide protection against chemical hazards, fire, electrical current or radiation unless specified in the product documentation.
- Knee protection: effectiveness depends on the use of certified knee pads and their correct positioning.
- Reflective elements: may lose effectiveness if dirty, worn or covered by other clothing.
- Do not modify the construction of the trousers – changes may reduce the protective properties.
- Damaged trousers should be replaced immediately – especially if the knee pad pockets are torn or the reflectors are worn out.
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