[Material Description] 100% Cotton [Product Features] Soft and comfortable to the touch, slightly elastic, easy to wear and match, comfortable and stylish, simple and practical, resistant to shrinkage, durable, and trendy. [Applicable Scenarios] Daily wear, home use, travel, fitness activities, etc. [Target Audience] Men [Washing Instructions] Can be hand-washed or machine-washed, should not be soaked for a long time, should not be bleached, and the washing liquid temperature should not exceed 45 degrees ℃ . C. [Special Note] This size data is measured with the garment laid flat, and the chest measurement is 1/2 Due to different measurement methods, an error within 2-4cm is considered normal