NO KA 'OI Activewear Fashion Collection | NO KA 'OI Official Website, NO KA’OI is a luxury activewear brand part of Rilievi Group. It’s a new path for bridging the gap between ready-to-wear, activewear, streetwear. The collections cover women’s fashion, active, and accessories and are defined by color block design, an emphasis on construction, eclectic fabrics.