[1] The twin towers, which are 22 and 33 floors, respectively, were named after Castor and Pollux, the Dioscuri of Greek and Roman mythology.

[1] The taller tower, named after Zeus and Leda's son Pollux, is 130 metres (430 ft) tall with 33 storeys and has 31,500 square metres (339,000 sq ft) of floor space.

[1] The shorter tower, named after the son of Leda and the mortal king Tyndareus, is 95 metres (312 ft) tall with 22 storeys and has 28,000 square metres (300,000 sq ft) of space.

[3] Between the two buildings is a green space featuring a fountain and a light sculpture, Synergie, by Swiss artist Christian Herdeg.

[4] Zurich Insurance Group has been the main tenant in Pollux since early 2017, working from 17 of the building's 33 floors.