Sunad

Sunad is a Spanish brand based out of Madrid. They believe in 
bringing back timeless classics using only natural fibres. 
Manufacturing
Made In Spain brand, at which all the products are designed, 
cut and assembled in Spain. 
Materials
They only use fabrics that are 100% natural.
Dyes
They don't dye the clothes themselves, their fabric suppliers provide
them dyed or weaved in already dyed yarns.
Sustainability
They ask their suppliers for their certificates to make sure that they're 
following the correct processes. Most of them are GOTS certified.