women's short-sleeved top, specifically a white Henley-style V-neck blouse or t-shirt with gathered detailing below the neckline.
This type of top is characterized by:
V-neckline: A V-shaped opening at the neck.
Henley placket: A partial button-front placket, typically with a few buttons, similar to a Henley shirt.
Gathered detailing: Fabric gathered or ruched, often around the neckline or bust area, adding a decorative element and flow.
Short sleeves: Sleeves that extend only to the upper arm.

Style:
Typically loose-fitting and often extending past the hips, making it suitable for pairing with leggings or skinny jeans.

Features:
The one in the image specifically has short sleeves, a V-neckline with button details, and a pleated or gathered front below the neckline.

Versatility:
Tunic tops are considered versatile and can be worn for various occasions, from casual outings to more dressed-up looks, depending on how they are styled.