Wool is warm, soft and extremely comfortable to wear. Wool is very hygroscopic, can store a lot of moisture and thus has a heat-balancing effect (no sweating).

Wool feels dry up to a moisture content of approx. 35 %. In the scaly structure of the fibre as well as between the strongly crimped fibres, this "water" is stored in finest particles. Hand-knitting wool in Central Europe assumes a relative humidity of about 14% in normal climatic conditions, in heated rooms this humidity drops to 8-10 %, in fog the value increases to over 20 %.

The wool industry originated in England and in a maritime climate wool has a relative humidity of about 18.25 %. This value is the norm for international trade. This means that a ball of wool at 18.25 % humidity must weigh 50 g. In practice, however, the ball of wool loses some of its moisture. At about 14 %, this ball of wool weighs only about 47-48 g.

In production, the balls are not wound according to weight, but according to length. This length is calculated according to the target weight (25 g at 18.25 % relative humidity). This gives the consumer the correct length, regardless of the moisture.

In knitting, the length of the yarn is decisive and not the effective momentary weight. Thus, in practice, the legal requirements are met and moisture differences cannot become reduced values.

The company quality controls monitor these values very strictly and are also monitored by state control bodies. Normally, unit packs of 0.25, 0.5 kg or 1 kg are checked. Small deviations between individual balls are tolerated for manufacturing reasons.

Another peculiarity of the industry is that when dyeing, the darker yarns become slightly heavier, the lighter ones slightly lighter. With a given weight and the right moisture, the darker yarn will have a minimally shorter metrage, the lighter yarn a slightly longer metrage. In practice, however, this can be neglected.

In summary: The wool balls in our heated living rooms (especially in winter) are always a little "dried out" and thus a little too light. However, at the standardised moisture content, the run length corresponds to the legally specified target weight. In the laundry room or outdoors, the ball of wool will quickly recover to the standard weight without feeling damp. Wool, as the hair of the animal, is a naturally wonderful raw material. Let's enjoy the pleasant wearing properties and rejoice in the daily surprises!

PS. Each fibre has different moisture standards. Cotton e.g. 8.5 %, synthetic fibre approx. 2 %, etc.