Softener for our sweaters import inquiry - Ukraine

I am working as import manager for ***
*** is Ukrainian national producer of man clothes.
It has huge network of brand chain store of 84 shops all over Ukraine.
The company considers a business expansion and “** will produce all kind of mens garment on its own facilities.
We have bought yarn and knitted sweaters. We faced the problem that sweaters are very tough.
We are searching for softener for our sweaters.
sweaters consist from three different blended yarn: - silk/cashmere; - wool