軽装(けいそう)

Describes wearing light, minimal clothing or carrying light equipment. Can function as a noun (軽装(けいそう)で — in light clothing) or as a な-adjective (軽装(けいそう)な服装(ふくそう) — light attire).

Common collocations

• 軽装(けいそう)で出(で)かける: to go out in light clothing
• 軽装(けいそう)で登山(とざん)する: to climb a mountain lightly equipped
• 軽装(けいそう)な格好(かっこう): a casual/light outfit

Similar words

• 薄着(うすぎ): wearing thin clothes — focuses specifically on the thinness of fabric, while 軽装(けいそう) is broader and can include carrying less gear
• 重装備(じゅうそうび): heavy equipment — the opposite concept, especially in outdoor/military contexts

Usage

Often used in weather-related advice, outdoor activity warnings, and dress code contexts. Sometimes carries a nuance of being insufficiently prepared.