KOKO MOMO Oversized Layer ShirtKOKO MOMO Oversized Layer Shirt. KOKO MOMO Childrens vintage inspired line created by Photographer Monroe Alvarez, based out of Los Angeles, CA. Since becoming a mother, Monroe became increasingly passionate about sourcing unique children's clothes, using dead stock and vintage materials. At KOKO MOMO, one can find fun and funky pieces to stand out amongst the crowd.