[Standard US Men size you can choose the size you usually wear. If you are not sure please refer to the size chart in the product images The Material of the Hoodie is 90% Polyester and 10% Spandex Soft and Comfortable to Wear Suitable for Daily Wear Lounging Hanging out Cosplay Party and Street Wear High Quality 3D Printing Never Fading and Machine washable Not Thick Hoodie you can wear the hoodie on Late Spring or Autumn]