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Artur - underpants, long leg

Material composition60% viscose FR / 30% aramid / 10% cotton Fabric weight 170 g/m2 Type terry (plush) with channels

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authorized and Used by Czech Fire Rescue Service

Fire resistant functional long leg underpants for year-round wearing. The T-shirts are designed as a secondary protective layer for combination with outer fire resistant protective garments.
Functional underwear can protect workers against occasional and brief contact with small igniting flames, against burn injury, the material is resistant to melting and dropping away. Except for protection the underwear provides extraordinary physiological and wearing comfort, soft touch and moisture transfer.
Testing, properties verification and certification is realized according to relevant European Standards by accredited testing authorities.

material composition

polyoxadiazol (aramid) / viscose FR / cotton

Fabric weight

170 g/m2

Knit type

terry (plush) with channels

important information

  • permanent flame resistant properties
  • high thermal stability and heat insulation
  • underwear remains complete (undisturbed) even during longer heat and fire influence
  • very good wear resistance and dimensional stability
  • great resilience even after repeated industrial laundering
  • extraordinary physiological and wearing comfort
  • easy care
  • suitable for application in combination with outer fire-resistant protective garment


Polyoxadiazol - aramid type fibres
  • permanent fire and heat resistance remains active even after repeated washing
  • high thermal resistance and stability
  • shirt-time resistance against temperatures 300-400°C without shrinkage or melting
  • good dimensional stability thanks to exceptionally low shrinkage up to 350-400°C

Viscose flame retardant fibres
  • permanently flame retardant fibres based on regenerated cellulose
  • self-extinguishable
  • permanent flame retardancy, remains active even after repeated washing
  • blend textiles containing viscose FR fibres offer optimum physiological comfort and breathability
  • resistant to melting and dropping away
  • physiological properties of the material contribute to reduced stress from the heat and thermal shock
  • protection from all kinds of the heat

Size chart

Why to choose us? 
CLEVERTEX development
We do not get behind. We are working on new research projects. Thanks to high know-how we are able to create unique textile materials.
Functional textile materials require high quality manufacture. We apply well proved manufacturing process, certification and practical verification tests.
CLEVERTEX solution
Our will to anticipate new requirements is an important aspect of our work. We are ready to be the partner for unconventional and interesting textile solutions.