YTD is focused on creating affordable, high-quality, and long-lasting everyday clothing you can rely on. Feature: Fabric: soft, comfortable, stretchy, lightweight, skin-friendly Collar: Standing collar Gender: men, juniors Season: Spring, Summer, Autumn, Winter Occasion: Casual, Office, Work, Date, Party, Travel, Street, Everyday Wear Garment Care: Hand-wash and Machine washable, Hand Dry Here’s some suggestions: S-------Height:5'5"-5'9"------Weight:121-154 LBS M-------Height:5'7"-5'11"------Weight:143-176 LBS L--------Height:5'9"-6'1"------Weight:165-1984 LBS XL------Height:5'11"-6'3"------Weight:187-220 LBS XXL----Height:6'1"-6'5"------Weight:209-242 LBS The above data is just for reference 1)Q:What are the washing/drying instructions for this polo shirts? A:You can hand wash seperately in cold water. 2)Q:What is this polo shirts made out of? A:It's made for the Polyester and Spandex.The material is soft, lightweight, comfortable and great to wear all day. 3)Q:I normally wear a size Medium in t-shirts, what size should I order? A:You can choose it according normal size,our size are US standard size 4)Q:What seasons is suitable?. A:It is fit for any season,you can wear it in Spring, Summer, Fall, Winter, very nice, fitted perfectly and stylish. Perfect Long sleeve Mens Shirts