Purchased at Umeda Hankyu. It's a black ribbed knit sweater from Maison Margiela. The yellow piping is cute. The sleeves are long, and there are thumb holes, so you can scrunch them up or fold the sleeves over. Marked size is S. Measurements (laid flat): Shoulder width: 31 cm Length: 56 cm Sleeve length: 69 cm (The bust measurement stretches due to the ribbing) Black long-sleeved ribbed sweater with a slit in the back. - Color: Black - Design: Ribbed - Sleeve style: Long sleeve - Neckline: Round neck - Embellishment: Two slits in the back - Cuff design: Contrast color trim Thank you for looking. Color: Black系 (Black-based)