This is a versatile item that allows for layering with various clothes without feeling bulky. [Black Collar Neck Warmer] ◎ Perfect for keeping your neck warm. ◎ Instantly transforms into a turtleneck just by attaching it! Please refer to the images for sizing. *This is an overseas import (unbranded) product. *Compared to Japanese-made products, the sewing and finishing may be inferior, and there may be small scratches or stains. We ask for your understanding and consent before purchasing. *Although we have included actual product images, the color may appear different depending on your monitor environment.