The Youth Alpha-size System (S, M, L - small, medium, large) is used world wide. Together with the US size system (age) and the EUR size system (height), it is the most used youth clothing size system internationally.
Youth alpha size is used from approx. 7/8 years age and up to around 15/16. Then the men's size system is next.
But what youth size is right for your kid? Let us show you...
How to Measure Boys' Youth Size
To determine Alpha Youth Clothing Size, you will need to take three simple body measurements:
1. Height: Body height measured when standing upright against a wall. 2. Waist Measurement: Circumference around boy's waistline (just above the navel/belly button). 3. Chest: Measure circumference aroundt fullest part of chest (under arms).
Alpha Size Chart, Inches:
Boys' General Youth Size by body measurements. All measurements in inches.