- HOT WHEELS x IKKS Capsule - White T-shirt for girl - Round neck, short sleeves, dropped armholes - Palm tree visual with embroidered sequins, two-tone sequined message - IKKS #actforbetter: material containing 100% organically grown cotton Hot Wheels is a brand of miniature cars launched by the American company Mattel in 1968. IKKS revisits the checkerboard pattern of the racing flag and the palm trees of the California Highway with embroidered sequins and glitter details.