Lululemon to Montelle Intimates bra size

The short answer

lululemon 34DD is Montelle Intimates 34E/DD by the two brands' own charts. 0 of 6 lululemon sizes land on a different label at Montelle Intimates.

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

Every lululemon size read across to Montelle Intimates. US sizes on the left, US on the right.
lululemon	Montelle Intimates, by chart	Same label	Montelle Intimates also prints
34B	34B	not published	FR B
34C	34C	not published	FR C
34D	34D	not published	FR D
34DD	34E/DD	not published	FR E
34DDD	34F/DDD	not published	FR F
34G	34G	not published	FR G

Neither chart publishes the body each size is built for, so the rows line up the labels. 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

lululemon size guide, read on 2026-09-18. lululemon on TrueToSize
Montelle Intimates size guide, read on 2026-09-18.

Montelle Intimates to lululemon