The essential shirt for returning to the office is at Mango
Zara flowy shirt
This other flowy shirt that you should definitely consider for the office is from Zara. It features a lapel collar with a V-neck, short sleeves with rolled-up cuffs, and a button closure. Here it is in olive green, but it's also available in off-white and dark brown. The Inditex brand offers matching trousers for a complete look, and you can finish the outfit with flat sandals
ZARA
The essential shirt for returning to the office is at Mango