antiquecostume.com— acquisition inquiries from >$999Prospectus →

1970–1979

1970s Polyester Palazzo Pants

$40 – $1,500
Typical price range

Identifying Authentic 1970s Polyester Palazzo Pants

Authentic 1970s polyester palazzo pants pieces (1970–1979) are among the most sought-after items in antique fashion. Synthetic polymer fiber commercially introduced in the 1950s, ubiquitous by the 1970s. Excellent durability and wrinkle resistance; the defining fabric of 1970s fashion.

When examining a potential 1970s polyester piece, the most important diagnostic features are construction method, closure type, and fabric authenticity.Wide-leg trousers with a dramatic flare from hip to hem. A signature of 1970s bohemian and evening fashion, worn by icons from Cher to Bianca Jagger.

Palazzo Pants Authentication Checklist

Leg width: genuine 1970s palazzo measured 26–32 inches at hem

Fabric: polyester jersey, crepe, or silk for evening versions

High waist with zip fly or side zip closure

Print: often floral, paisley, or bold geometric; plain is less typical

Identifying Authentic Polyester

Burn test: melts and beads up rather than burning; smells like chemical/plastic

Pre-1970 polyester: heavier, less refined than modern fabric

Double-knit polyester (1970s): thick, textured, extremely wrinkle-resistant

Check care label: fiber content labeling became mandatory in the US in 1971

Care & Preservation

Machine wash cold, gentle cycle. Do not use hot water or high-heat drying. Medium iron only. Polyester holds dye well — minimal fading risk.