A tunic top or dress with matching fabric on the collar belt and cuffs can often be seen in First World War photographs.
Some munitions workers wore similar clothing but the passage of time has obscured whether fashion was influenced by working dress or the other way round.
Above photo dated 1915: Age about 17 years old Estimate: born 1998 ± 3 years
Inscribed :...from Cis. Xmas 1915