The World's Best Synthetic Insulation
PrimaLoft YARN
PrimaLoft® YARN diagram
PrimaLoft YARN

PrimaLoft® YARN is engineered for performance and comfort, so that you can enjoy the outdoors to the fullest—staying out longer, in any weather condition. PrimaLoft® YARN is made up of ultra-fine polyester fibers which are finer than cashmere, resulting in a luxuriously soft performance yarn. It is a yarn made from PrimaLoft® fibers that can be used alone or combined with other materials to enhance softness and performance characteristics of knitted garments and accessories. PrimaLoft® YARN is compact ring spun, delivering a stronger more durable yarn with excellent pill resistance.

  • Socks
  • Sweaters
  • Accessories
  • Base layer
  • Blankets
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PrimaLoft YARN fiber diameter

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