The story
Blend of lunar + normcore. Coined 2014, when also normcore attained celebration. Alternative lunarwear seems only secondary to this.
Etymology from Wiktionary, CC BY-SA 4.0.
lunarcore
Today it means: A style of clothing characterized by retro-futuristic outdoor wear generally with a white or silvery base consisting of high-top sneakers or boots and an anorak or bomber jacket or at least alternatively heavy pants such as cargos. Full definition →