These tables are sizing information for all New Balance apparel items in the club store.

For the Richardson adult PTS50 caps, sizes are listed as XS-SM, SM-MED, and LG-XL. In terms of US hat sizes that you may be familiar with:

• XS-SM is 6 5/8 - 7
  
• SM-MD is 7 - 7 1/4
  
• LG-XL is 7 3/8 - 7 5/8.
  

For the Richardson youth 634 caps, they are adjustable.