Sweaters & Jackets: Measure fullest circumference around chest/bust keeping tape up under arms and around shoulder blades. Women's Size S(10) M(12) L(14) XL(16) Bust 36" 38" 40" 42" Men's or Unisex Size S M L XL XXL Chest 38" 40" 42" 44" 46" Hats: Measure head circumference with cloth tape held snugly around the temple. Adult Size S M L XL Head 21"-211/2" 22"-221/2" 23"-231/2" 24"-241/2" Children's Size S M L XL Head 19"-191/2" 20"-201/2" 21"-211/2" 22"-221/2" Mitts: Measure around a flat hand at the knuckles, excluding the thumb. Women's Size S M L Hand 6"-61/2" 7"-71/2" 8"-81/2" Men's Size M L XL Hand 9"-91/2" 10"-101/2" 11"-111/2" Footwear: Order by your shoe size (the size you typically wear) and specify whether it is a men's or women's size.