WRAP worked with COS, which is part of the H&M group, to run extended wash test trials on four different menswear Merino wool jumpers, in order to review and assess the optimal care instructions to maximise the garments’ life. 

Key points

  • Extended wash tests provided COS with useful insights into the fabric performance of two Merino wool suppliers, across two colourways.
  • The trial highlighted the high quality standard across COS menswear Merino range.
  • Care label advice to consumers is critical to ensure garments’ performance is maintained over washes.

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  • COS: Extended wash test

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