Spirotechnique diver's boots
Boots made by La Spirotechnique España (c. Canteras 30, Barcelona, Spain).
Those boots were built around 1960
They were built probably no more than 60 boots, and were shipped together with the Spirotechnique helmets made in Spain.
Built with brown leather and with a rounded front, only one belt with three positions, flat sole of wood and lead, 13.250gr (2 boots).