Long-sleeved high-neck shirt with excellent heat retention, featuring pink accents. - Brand: asics - Model Name: XA3910 - Color: Black - Design: Long sleeves, high neck, pink accents Thank you for viewing. The size is O, but it's compression fit, so it fit me perfectly, and I usually wear a size L. Used only a few times. *This item has been stored at home. We kindly ask for your understanding and purchase if you are comfortable with it being a used item.