Measurements are estimates - We do our best to be accurate, but 2 people might hold a piece of clothing different, and it will change measurements slightly. Pit to Pit is from one side seam to other side seam. Top to Bottom is from shoulder to bottom of clothing. Sleeve length is from line where seam starts to bottom of cuff. Pit to Pit - 18 3/4" Top to Bottom - 25 1/2" Sleeve - 20 1/4" 1635 Saks Fifth Avenue button-down shirt crafted from breathable 100% cotton double gauze fabric. This lightweight white blouse features a classic collar, long sleeves with roll-tab details for a versatile look, and a textured crinkle finish. Designed with a relaxed fit and a curved hem, it is perfect for coastal, beach, or casual everyday wear. The natural fiber construction ensures comfort and airflow during warmer months.