There are many kinds of fabrics used for T-shirts, such as 100% cotton, mercerized cotton, double mercerized cotton, Lycra cotton, CVC, saccharified cotton, TC, nylon, polyester, modal, bamboo fiber, etc.
T-shirts made of these fabrics can be used for outer wear or underwear.

Mercerized cotton, double-mercerized cotton, Lycra cotton, CVC, saccharified cotton, TC, nylon, polyester .These fabrics are only suitable for outer wear.
And it is suitable for casual or sports wear, not suitable for inner wear, and the comfort is not enough.

So what kind of fabric should I choose for undershirt that can be worn both outside and as underwear?
The editor recommends that T-shirts made of pure cotton, modal or bamboo fiber fabrics are more suitable for under t shirt, soft and close to the body.

How to choose a good quality under T-shirt?
①The fabric feels comfortable and soft;
②Not easy to deform, not easy to fluff;
③Moisture absorption, perspiration, strong air permeability, and has the characteristics of quick drying;
④Comfortable, clean and not tight after wearing;
⑤The car lines are neat, the line thickness is moderate, and the toughness is good.