Size Chart Runs Small Slightly Small True To Size Slightly Large Runs Large 1X 2X 3X 4X 5X 6X Size Measurement Standard Metric 1X Chest 49" 124cm 1X Sleeve Length 23" 58cm 1X Waist 41 1/2" 105cm 1X Dress Length 55" 140cm Size Measurement Standard Metric 2X Chest 52 1/2" 133cm 2X Sleeve Length 23" 58cm 2X Waist 48" 122cm 2X Dress Length 55 1/2" 141cm Size Measurement Standard Metric 3X Chest 54 1/2" 138cm 3X Sleeve Length 23" 58cm 3X Waist 53" 135cm 3X Dress Length 56" 142cm Size Measurement Standard Metric 4X Chest 58 1/2" 149cm 4X Sleeve Length 23" 58cm 4X Waist 56 1/2" 144cm 4X Dress Length 56" 142cm Size Measurement Standard Metric 5X Chest 62 1/2" 159cm 5X Sleeve Length 23" 58cm 5X Waist 61" 155cm 5X Dress Length 56" 142cm Size Measurement Standard Metric 6X Chest 68" 173cm 6X Sleeve Length 23 1/2" 60cm 6X Waist 66" 168cm 6X Dress Length 56" 142cm Inches Centimeters Costume Sizing Tips