The ismacello core tee is carefully crafted in the heart of Los Angeles. Utilizing 100% ringspun cotton for a softer feel, the core tee focuses on bringing a vintage touch to your look with its gently faded colors. The design of the core tee. The clay ismacello core tee features the ismacello signature logo in the front, and four dots in the upper back - both via screen print. These enigmatic dots decreasing in size, represent all four strings of the violoncello. The C string, creating the lowest frequencies, is the thickest one. Next are the G string, the D string and finally the A string, the thinnest of them all and the one producing the highest pitches in the instrument. Combining both music and style, the ismacello core tee settles itself as a unique piece and the first official ismacello garment created.