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Rosários4 is a Portuguese family business that has become an international benchmark due to the high quality of its yarns for knitting to crochet and embroider. This Portuguese factory, located on the top of Mira de Aire, carries creativity, flexibility and enthusiasm on its DNA. Thus, it is capable of innovating and adapting to the demands of the market and also of meeting the needs of weavers like you around the world.

Without ever losing sight of their origins, Rosários4 goes further. On its wide catalog you will find an assortment of yarns from acrylics to natural fibers such as bamboo through those of natural origin such as milk. Each year, Rosários4 presents two new collections that always set trends. In its web you will also find hundreds of free patterns to update your projects.



Terra is one of the latest news of Rosários4 for the Autumn/Winter 20/21 season.  It is a 100% wool, thin and super comfy, which main characteristic are its denim-like colors. Its 14 colors palette goes from the coldest season classics like ashes or blues, to green or brown tones from nature, or other that are so typical of this season of the year like burdeos.

To complete the color range and combinations, there are also solid colors available, like white, black and raw. As Terra is a thick thread, it’s perfect to knit big and wrapping projects for the coldest days.

  • Composition: 100% wool 
  • Length: 170 m / 100 g 
  • Weight: Medium


Belmonte is a mixture of organic wool and cotton, recognized with the GOTS certificate. 

This thread is perfect to knit during all the year, as it combines the warmth and the lightness of the wool with the comfort of cotton. As it is so thin and light, it is ideal to knit jackets and thin sweaters. Due to the dying of the fibers, each color presents two tonalities that will highlight even the simplest stitches.

  • Composition: 50% organic wool and 50% organic cotton, with GOTS certification 
  • Length: 125 m / 50 g 
  • Weight: Light


This organic yarn, released in 2013, has become an essential reference within Rosários4 catalogue.

It’s one of the favorites of knitters all around the world for winter projects with braids and textures as it is very comfortable in your fingers and it is very easy to work with. Each year, Rosários4 adds new season-colors for the fans of Bio-Wool. Try it out and you will see what we are talking about!

  • Composition: 100% organic wool, with GOTS certificate.
  • Length: 82 m/ 50 g  
  • Weight: Medium

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