Sia White Tie Button Down Shirt

Please note: The following information is intended for use as a general guideline. Sizing and fit may vary somewhat by brand. Need help with sizing? Check out the measuring guide.

To help you determine the perfect fit, we've provided descriptions of key measurement points below. For the best results, compare these with your own measurements.

1. BUST: Stand with your arms relaxed at your sides. Position the measuring tape beneath your arms and circle it around the most prominent part of your bust and over your shoulder blades.

2. NATURAL WAIST: Identify your waist's natural bend by leaning to one side. Circle the tape around this point, ensuring you keep a finger's gap between the tape and your body for ease.

3. LOW WAIST: Position the tape approximately 2 to 3 inches below your natural waist, maintaining a finger's distance for comfort.

4. HIPS: Standing with your feet together, encircle the measuring tape around the widest portion of your hips or seat, which is typically 7 to 8 inches below your waist.

5. INSEAM: For pants that extend to the full length, measure from slightly below the groin down to about an inch above the ground.

6. HEAD: Measure around your head, positioning the tape just over your eyebrows.

7. HANDS: Measure around your hand, taking the circumference at the knuckle level. Omit the thumb from the measurement.