【Material description】100% cotton (220gsm) 【Product performance】Soft and comfortable, slightly elastic, easy to wear and match, comfortable and fashionable, simple and practical, not easy to shrink, durable, fashionable 【Applicable scenarios】Daily, home, travel, fitness, etc. 【Applicable people】Men and Women【Washing instructions】Can be hand washed or machine washed, do not soak for a long time, do not bleach, the washing liquid temperature cannot exceed 45ºC.【Special instructions】This size data is measured when the clothes are laid flat. The chest circumference measured when laid flat is 1/2. Due to different measurement methods, the error within 2-4cm is normal.