Super soft, light weight, comfy, button up top! This top is designed to be oversized! So you do not need to size up! We recommend getting whatever your true size is! For example Emily is typically a L and is wearing the L/XL, Catlyn is usually a M and is wearing the S/M Material  50% rayon 50% poly Model Measurements  Catlyn 5’3 150lbs 34 DDD Size 6/8 Typical M Emily 5’7 163lbs 34DDD Typical L Size 10 Model Wearing  Emily L/XL Catlyn S/M