The company Calze GT S.r.l. began its activities in 1984 with the production and marketing of socks and tights, specializing then, over the years in the field of graduated compression and medical stockings.
Initially the company worked for large international companies in private label, and then also start marketing its own brand RelaxSan in 1997. In 2000, the company invests and develops a department for the production of seamless underwear, in which have been developed all products currently sold under the brand names RelaxMaternity and FarmaCell.

The Calze GT S.r.l. now extends over an area of approximately 5,000 square feet in two buildings, one commercial and one production, both in Italy, specifically in Casaloldo city in Mantova province, world center of hosiery woman production.