The hosier makes fabrics for clothing, as well as underwear, socks, etc. An essential technician in the textile industry, the hosier is the specialist in cotton knitting and knitwear.

It supplies and operates textile fiber production machines. This knit is essential for making knitwear, technical clothing, socks and tights.

The hosier perpetuates ancestral know-how while using high-tech looms, notably circular or rectilinear knitting looms.