1940–1949
1940s Crepe Swimsuit
Identifying Authentic 1940s Crepe Swimsuit
Authentic 1940s crepe swimsuit pieces (1940–1949) are among the most sought-after items in antique fashion. Fabric with a crinkled or granular surface texture, produced by twisted yarns or chemical treatment. Wool crepe and silk crepe are elegant dressmaking fabrics used throughout the 20th century.
When examining a potential 1940s crepe piece, the most important diagnostic features are construction method, closure type, and fabric authenticity.Bathing costume for swimming and beach activities. Antique and vintage swimwear charts changing notions of modesty and athleticism from Victorian flannel bathing dresses to 1950s pin-up swimsuits.
Swimsuit Authentication Checklist
Victorian bathing dress: wool flannel, bloomers underneath, full coverage
1920s: knit wool one-piece with short skirt panel
1930s–40s: fitted maillot, often elasticized; rubber bathing caps pair
1950s pin-up: structured built-in bra, often strapless; original examples in excellent condition are rare
Identifying Authentic Crepe
Surface should feel slightly rough and textured, not smooth
Silk crepe: heavier, more lustrous than synthetic; burns like silk
Wool crepe: matte surface, substantial drape; check for moth damage
Rayon crepe (1930s-40s): lighter weight, tends to water-spot easily
Care & Preservation
Dry clean is safest. Wool crepe can be hand-washed in cool water with care. Never wring. Press with a damp cloth and medium iron. Avoid excessive heat which can flatten the crepe texture.
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