Material：polyester ，wool Machine washable in laundry bag 【Fashionable Design】: Casual everyday high collar T-shirt, classic style, long sleeves, slim fit, solid color, multiple popular colors to choose from. 【Occasions】Men's thermal shirts are suitable for all seasons, suitable for festivals, birthdays, beach, casual, informal business, work, vacation, dates, weddings and travel. 【Note】: We have optimized the shape and neck size of the product, and upgraded the fabric to make it more fitting and comfortable. Please feel free to buy.