'Complete the look' item with its own size picker and Add button inside the buy box

Test ideaProduct page · 2026-03-23

Test a cross-sell card right below Add to Cart showing the matching item with sizes and a one-click Add, plus a fit/length/stretch scale and model height on the gallery. Adding the second item without leaving the page can lift AOV for fashion.

Who ran it

Kasper Dolk (@kasper_dolk) shared this idea on X. The numbers and screenshots are theirs.

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