Wool - THE WARMEST SWEATER IN THE WORLD

WOOL


What characteristic of yarn and wool we must choose to get a very warm (hopefully the warmest) sweater?

We need to have a moderate twist in the yarn. Twist adds a strength to the fiber and condenses it, but it compresses the air out of it as well.  Spinning the yarn for knitting the sweater we need some air, which actually plays the crucial role in keeping us warm (that is the reason why down or insulated parkas are so warm when they are not wet ;) ). 
Attribute #1 - Moderate twist  in the spinning of the yarn. 

The wool with more crimps creates more air as well, so the crimpier  the wool the airier the yarn.
#2 - Crimpy fleece. 
At the same time, it shouldn't be just merino or merino at all. Merino is MAY BE good there in a very small proportion, because, merino will worn out and it doesn't block together. It is better to use some northern breeds and some primitive and very ancient breeds for it for their harsher wool which will protect you outdoor from rain. It won't feel as soft as merino from the beginning, but it will not peel and will not wear out. It will not feel soft to touch but there is another attribute if we make it woolen spun it will soften and mature much more than the highly refined worsted yarn. The yarn will grudge a little bit together and soften and will become your most favorite thing, it will be like your body as well. 
#3 - Medium harsh wool  
#4 - Woolen spun
Two-ply yarn is flat and one has not enough strength and air than three-ply. Three-ply yarn is rounder and has more air and structure in itself. But 4-ply is even better, cause it has no center and it creates dense and thick fabric. That is why people in Norway used 4-ply yarn mainly for a good winter sweater. It has its advantages in front of 3-ply, because the way it creates the stitch is different it fixes itself in the fabric so we have less holes in it and at the same time we have more air and structure and good think fabric. 
# 5 - 4-ply yarn.
#6 - Sheep wool +15-20% camel +  8% cashmere or angora + goat fluff
#7 - Untreated natural color
#8 - Aran weight or bulky at the end.






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