Grand Prix Knitwear Size Chart

GP Size US Size Chest Hips
Youth S (YS) 5 - 7 23" - 27" 21" - 23"
Youth M (YM) 8 - 10 27" - 30" 23" - 25"
Youth L (YL) 11 - 12 30" - 32" 25" - 27"
Adult
XS/S 0 - 4 32" - 34" 27" - 29"
M/L 6 - 8 34" - 36" 29" - 31"
XS 0 - 2 30" - 32" 30" - 32"
S 4 - 6 32" - 34" 32" - 34" 
M 6 - 8 34" - 36" 34" - 36"
L 8 - 10 36" - 38" 38" - 40"