It's a thick 17'S sleeveless T-shirt.
It is also appropriate for both active and casual wear.
Precautions for Purchase
All the goods are newly manufactured in custom order and delivered.
If you order now, the manufacturing process begins on 2/15, and the goods are to be shipped out before 2/22.
As all the goods are manufactured in custom order, exchange / refund due to a simple change of mind is not available.
However, if the goods are faulty or were delivered to a wrong address, you can contact customer center, via email, or 1:1 inquiry within 7 days to get a refund or exchange goods.