Mordenmiss Women's Doll Collar Casual Sleeveless Top with Big Pockets This is SLEEVELESS, SLEEVELESS, SLEEVELESS box shape!!! 90% Cotton, 10% Others The difference of the size L and size XL is the bust size. Size L's bust size is about 59",and size XL's bust size is about 74.8". Our model is very SHORT and SKINNY; Height: 5'3", Weight: 99lb. PLS note this tunic is SLEEVELESS style, box shape design, very loose,comfortable and lightweight. Wear it as a summer tops or wear some Tee inside to become another outfit during cool day. Size Information, PLS read the size details on Product Description, not the Amazon Size Chart beside the "size option"