LEFT CHEST 3in WIDE, TODDLER 5in WIDE, TODDLER 6in WIDE, YOUTH S/M 8in WIDE, YOUTH L/XL 9in WIDE, ADULT S/M 10in WIDE, ADULT L/XL 11in WIDE, ADULT 2XL 12in WIDE, ADULT 3XL 13in WIDE, ADULT 4XL 14in WIDE