Size 3X Typically fits: Bust: 53 to 55 inches Waist: 47 to 49 inches Hips: 56 to 58 inches Standard Studio One Lengths Midi and Shift Dresses: Typically 41 to 43 inches from the top shoulder to the hem, hitting right around the knee or mid-calf depending on your height. Studio One dresses are popular at department stores like JCPenney.