noun
shorts; knee-length shorts
Colloquial abbreviation of ハーフパンツ. Used in casual conversation, especially among younger speakers.
See also: ハーフパンツ
夏はいつもハーパンで過ごしてる。
In summer I always hang out in shorts.
そのハーパン、どこで買ったの?
Where did you buy those shorts?