De Rerum Natura – Ulysse


Gilliatt‘s little sister Ulysse is made from the same blend of French and Portuguese merino wool but this time in a sport weight. We think sport weight yarns work really well for baby and kids’ items as well as transeasonal adult garments as it’s not too thick, not too thin.

Ulysse is a non-superwash woollen spun yarn meaning it is lofty, airy and warm. Woollen spun yarns are particularly suited to stranded knitting but also work well with textured projects. It’s soft to start with and becomes even softer after washing. Like Gilliatt, Ulysse is one of the most versatile yarns and will keep you coming back for more.

De Rerum Natura is a wonderful French brand specialising in the production of European merino yarn. Sustainability and transparency are at the heart of the company’s ethos and this translates into every aspect of their business practice.

50% of their wool comes from certified organic flocks raised by transhumance – an ancient practice in which flocks are moved from one grazing ground to another following a seasonal cycle. The rest of their fleece is sourced from small traditional farms chosen for their respect for animal welfare.

Their yarn is spun and dyed in a small mill in Rougnat, France. The mill uses a phyto-purification system to filter their water as well as dyes that are compliant to the norms set by REACH – an EU organisation in charge of regulating the use and production of chemicals in manufacturing. 

Weight: sport

Fibre: 100% merino wool – non-superwash

Ball: 50 g = 185 m (202 yds)  

Needle Size: 3.00 mm – 3.50 mm (US 3 – 4)

Gauge: 24 stitches x 38 rows = 10 cm x 10 cm (4 in x 4 in)

Spin: woollen spun

Fibre Origin: Provence, France (merino d’Arles) & Valley of Alentejo, Portugal (black merino)

Processed: milled & dyed in Rougnat, France

Care: hand wash


Please note colours can vary slightly between dye lots. Be sure to order enough yarn to complete your project to reduce the chance of differences between your balls. At YAK we try to ensure that our photos represent colours as accurately as possible, but please be aware that these can vary depending on your computer monitor settings.


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