Both of these personalized sock listings offer S, M and L. That does not make the letters interchangeable. A person who usually buys M cannot safely carry that choice from one of these designs to the other.
The numbers beside the letters describe different things—or, in one case, do not tell us exactly what was measured. This comparison explains that mismatch; it does not create a new shoe-size chart.
The same letter points to different source labels
| Listing | S | M | L |
|---|---|---|---|
| Repeating-face long socks | 12 in / 30 cm | 16 in / 40 cm | 18 in / 46 cm |
| Small heart-photo socks | KID Foot Length 14 cm | WOMAN Foot Length 18 cm | MAN Foot Length 20 cm |
The repeating-face listing gives 30, 40 and 46 cm without identifying the measurement endpoints. Those numbers cannot be treated as a foot-length chart.
The heart-photo listing explicitly says Foot Length, with 14, 18 and 20 cm labels. Its KID, WOMAN and MAN wording still does not establish a universal age, gender or shoe-size fit.
Comparing M with M would therefore compare 40 cm of an unspecified measurement with a label stating 18 cm foot length. Subtracting those values or deciding that one is simply the “larger M” would not resolve the missing measurement definition.
Choose the visual joke separately
The repeating-face long socks use an all-over face pattern with pink hearts and black heels and toes. They suit someone who enjoys seeing the photograph repeated as the main design.

Repeating-face long socks
A bolder repeated-face pattern, with length labels belonging only to this listing.
- S: 30 cm; M: 40 cm; L: 46 cm
- Measurement endpoints not stated in the saved description
The heart-photo socks show a much smaller couple-photo detail on black socks. That is a different amount of visible personalization, rather than merely another color of the same pair.

Small heart-photo socks
A quieter heart-shaped photograph, with a separate set of foot-length labels.
- S: KID Foot Length 14 cm
- M: WOMAN Foot Length 18 cm
- L: MAN Foot Length 20 cm
You can decide which look the recipient would enjoy without pretending the size letters match. For the final clothing purchase, use the chosen listing’s own measurement definitions and fit information. The comparison above rules out a shortcut; it does not establish which size fits a particular wearer.
Return to the repeated-face design for the bolder pattern, or the small heart-photo design for the quieter detail, keeping each one’s size labels with that product.