Team 365 Youth Short Size Equivalents (Approximate)
Youth Small (S): Size 6–8
Youth Medium (M): Size 10–12
Youth Large (L): Size 14–16
Youth XL (XL):  Size 18-20 
 
Measurement Guidelines (Relaxed Waist Widths)
S: 11.5 inches
M: 12.5 inches
L: 13.5 inches
XL: 14.5 inches