This is the 177th most frequent Hebrew word.
כזה
"Like this" or "such."
"כזה" (plural form כאלו here) is used to express a type or kind, referring to similar categories of an object, in this case, skirts.
מכירה חצאיות כאלה? הן מאוד אופנתיות עכשיו.
Do you know these kinds of skirts? They are very fashionable now.
In this context, "כזה" is utilized to indicate a specific characteristic or category of action or statement being referred to in the conversation.
למה אתה תמיד אומר דבר כזה בלי לחשוב קודם?
Why do you always say such a thing without thinking first?
The word "כזה" here is used as an adjective to emphasize or specify the nature of the thing being described, here implying something significant or impressive.