This is a used item. It's a size S. It has been worn multiple times, so there is some pilling. Would this be suitable for someone who needs a lot of them, perhaps for replacements? Since this is a used item, please refrain from purchasing if you are overly concerned about its condition. Also, I'm sorry, but I will not respond to comments asking about the length or the presence of yellowing, as those who ask such questions rarely end up purchasing the item. I believe this falls under the category of being overly concerned, so please refrain from purchasing. If you usually wear Uniqlo, you should understand the sizing, so please consider that. Thank you. #Heattech #Uniqlo #UsePoints