| Imgwidth: | 180 |
| Hangul: | 사규삼 |
| Rr: | sagyusam |
| Mr: | sakyusam |
The sagyusam is a type of po (포), or outer robe in hanbok, Korean traditional clothing, which was worn by young boys until they had a coming-of-age ceremony called gwallye (관례).[1] The name was derived from the shape; the lower end of the garment is divided into four parts.