My pet hate is baggy t-shirts with loose neck lines, so I'm forever buying new ones. These are without a doubt the best I've come across! I usually wear XS so was quite weary that the smallest size was a S, but it fits perfectly. It is quite a heavy material for a t-shirt but it's very comfortable. And best of all, the neck-line is very sturdy and doesn't become all flimsy like other t-shirts. Will definitely buying more of these in different colours.