We sell a lifestyle, a concept of life... Return to a comfortable life, return to a simple and clean life Knitted fabric: Made of 38-count pure cotton combed from Xinjiang, of excellent quality. Breathable, sweat-absorbent, comfortable. Product name: 2-grid 2 ribbed vest? Color: Black, white, linen gray Composition: 100% cotton Cotton (linen gray 97% cotton? 3% polyester) Execution standard: GB/T8878-2014 Grade: (First-class product) Safety category: B class (products directly in contact with the skin) Formaldehyde standard: GB18401-2010 Features: The elastic ribbed vest is made of 100% cotton, a natural fiber, refined. The fabric is elastic, the style is close-fitting, and it is comfortable to wear casual, comfortable, ideal for modern new trend people's home underwear. The fabric feels soft and comfortable. The style is simple and elegant. Shopping reminder: 100% cotton will have a shrinkage rate of 3-4% (international standard), please refer to the size before purchase. Note: Hand measurement is for reference data, it will not be 100% accurate. Each batch may have 1-2 cm errors, which is within the reasonable range of the national regulations. Buyers who cannot accept it should be cautious to shoot, reduce the misunderstanding of everyone, thank you!