Love love love this shirt and how comfortable it is!!! Not sure what kind of material this is but it is stretchy and incredibly soft! Perfect summer tee, airy, lightweight, can be casual or wear out for a fun night and still look cute! It’s not tight which was expected with the type of shirt. I got in size small and it fits perfect!! The slit on the side just gives it that perfect complete look and compliments very well!! I would order more in every color if I could lol or at least two other colors lol. Hope this review helps and if you have any questions I’ll be glad to help as best as I can.