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SIRA jumpsuit


The epitome of the modern wardrobe. No more agonising over matching separates with SIRA. Ease into this denim one piece from casual playful to sophisticated chic.

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  • 100% cotton - Japanese denim woven in the Okayama region, washed to achieve softness and a dark blue tone, medium weight
  • Front visible zip closure with two metal jean buttons with FJ logo
  • Rivets at the pockets
  • Side pockets
  • Back pocket with metal jean button with FJ logo
  • Pleat on front of legs
  • Made in Bulgaria


  • Refer to the Size Guide above for exact measurements in cm
  • Straight leg cut
  • European sizing
  • Small model. Advised to choose a size above
  • Model is 176cm and is wearing a size 36


  • Delicate washing inside out at 30°C
  • While wearing your denim piece, the indigo dye might bleed out due to the natural characteristics of this fabric. Please take care when wearing with light coloured clothing.
  • Tips: before the first wash, in order to fix the colour, immerse the piece for two hours in lukewarm water and white vinegar (we suggest two litres of water for half a cup of white vinegar). 


Your package will be shipped by Bpost between Monday and Saturday. You can expect your package to be delivered within 1-4 days depending on your location.

All orders above 400€ are shipped for free. Returns are free of charge.

Shipping costs per package:

  • Belgium: 5 €
  • Europe: 8 €
  • Rest of the world: 12 €

In case goods are shipped outside of Europe, costs of duty are to be effected by the receiver of the package.

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