Under Armour Baseball Innerwear Sports Innerwear Compression Shirt I think children can wear this without any problems if they usually wear sizes around 140-160. Long-sleeved Under Armour shirt with a high-neck design, a combination of white and gray. Mesh material. There doesn't seem to be any noticeable dirt, but please understand that it has been stored at home. You can buy it immediately. - Brand: Under Armour - Color: White/Gray - Style: Long-sleeved Under Armour shirt - Design: With logo - Neckline: High neck Thank you for viewing.