Size M but looks like it would fit more like a XS/S. May be a Kids Size M.

This black pullover hoodie from Gymshark is a must-have for women and kids who love activewear. It features long sleeves and a drawstring closure, making it perfect for any outdoor activity. The solid pattern and cotton-blend fabric give it a stylish and comfortable look and feel.

The size is medium, and the brand is Gymshark, known for its high-quality activewear. This pullover hoodie is perfect for regular use.