Nike to Le Mystere bra size

The short answer

Nike 34D is Le Mystere 34D by the two brands' own charts. 0 of 7 Nike sizes land on a different label at Le Mystere.

Cups are counted along each brand's own letter order, and the band is carried across unchanged.

Every Nike size read across to Le Mystere. US sizes on the left, US on the right.
Nike	Nike builds it for	Le Mystere, by chart	Same label	Le Mystere builds it for	Le Mystere also prints
34A	not published	34A	not published	not published	UK A · EU A · FR A · AU A
34B	not published	34B	not published	not published	UK B · EU B · FR B · AU B
34C	not published	34C	not published	not published	UK C · EU C · FR C · AU C
34D	not published	34D	not published	not published	UK D · EU D · FR D · AU D
34E	not published	34E/DD	not published	not published	UK DD · EU E · FR E · AU DD
34F	not published	34F	not published	not published	UK E · EU F · FR F · AU E
34G	not published	34G	not published	not published	UK F · EU G · FR G · AU F

Tinted rows change label or sit between two sizes. Read from the two charts only; no formula and no averaging.

What wearers say

Charts describe a garment. People who own both brands describe a fit, and their answer ranks above this table once five of them stand behind it. Pick your size in the converter to see whether there are enough yet.

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Sources

Nike size guide, read on 2026-09-18. Nike on TrueToSize
Le Mystere size guide, read on 2026-09-18.

Le Mystere to Nike