Spanx Slip Sizing
Spanx Size Dress Size Bust (inches) Waist (inches) Hip (inches)
Small 2 - 4 33.5 - 35.5 27-30.5 35-37.5
Medium 6 - 8 36 - 38 31-33 38-40.5
Large 10 - 12 38.5 - 40.5 33.5-35.5 41 - 43
X Large 14 - 16 41 - 43 36-39 43.5-45.5
1X 18 - 20 44-47.5 39.5-42 46-49.5
2X 22 - 24 48-51.5 42.5-45 50-53.5
3X 26 - 28 52-54 45.5-48 54-56
See our complete Lingerie Fitting Guide here.