The image shows
the back view of a person wearing a black long-sleeved athletic top. This type of top typically features a mesh or lace design for breathability, and it appears that this one does as well. There is a visible zipper on the back, suggesting that the garment can be opened or closed to fit the wearer's needs. The person is also wearing
black pants, which are likely part of an athletic outfit designed for comfort and flexibility during physical activity.