Blog — plus size
XXXL and XXXXL Shirt Size Chart: Size 18 and Up (2026)
adult sizing plus size size chart sizing
XXXL is the same as 3XL, and it fits a 54-56 inch chest with a 33 inch body length in Gildan's official chart. XXXXL is the same as 4XL, and it fits a 58-60 inch chest with a 34 inch body length. Both numbers come straight from Gildan's own spec sheet. Other brands measure differently, so the exact fit depends on which blank you order. Every verified measurement is below. Gildan 5000 XXXL and XXXXL Chart (Fits-Chest Circumference) Gildan publishes fits-chest circumference, meaning the range is measured around the fullest part of the chest, not laid flat. Here is the...