This is a medium/casual women's rolled sleeve slub T-shirt. It's a nice, comfy loose fit. To choose the correct size for you, measure your chest circumference and reference the size chart below to select which size best suits.
How to measure your chest:
Stand up straight with your arms hanging down in a relaxed, natural pose. Measure around the fullest part of your chest. Tight up under the armpits and over the shoulder blades. Make sure the tape is flat across the back.