Kohl's Under Armour Boys' Apparel Size Chart

Boys 7–20
Size Numeric Size Chest Waist Hips Height
X-Small 7 25" - 26" 23" - 24" 26" - 27" 47" - 50.5"
Small 8 26" - 27" 24" - 25" 27" - 28" 50.5" - 53"
Small Plus 8+ 27.5" - 29" 27" - 28" 29" - 30.5" 50.5" - 53"
Medium 10 - 12 27" - 29" 25" - 27" 28" - 31" 53" - 59"
Medium Plus 10+/12+ 29" - 31" 28" - 31" 30.5" - 33.5" 53" - 59"
Large 14 - 16 29" - 32.5" 27" - 30" 31" - 34" 59" - 65"
Large Plus 14+/16+ 31" - 34.5" 31" - 34" 33.5" - 36.5" 59" - 65"
X-Large 18 - 20 32.5" - 35.5" 30" - 33" 34" - 37" 65" - 70"
X-Large Plus 18+/20+ 34.5" - 37.5" 34" - 37" 36.5" - 39.5" 65" - 70"
Little Boys 4–7
Size Chest Waist Hips Height
4 21.5" - 22.5" 21.5" - 22.5" 22.5" - 23.5" 38" - 41"
5 22.5" - 23.5" 22" - 23" 23.5" - 24.5" 41" - 44"
6 22.5" - 24.5" 22.5" - 23.5" 24.5" - 25.5" 44" - 46.5"
7 24.5" - 26" 23" - 24" 25.5" - 26.5" 46.5" - 50"
Toddlers
Size Chest Waist Height Weight
2T 20" - 21" 20.5" - 21.5" 33" - 35" 29 - 33 lb
3T 20.5" - 21.5" 21" - 22" 35" - 38" 32 - 36 lb
4 / 4T 21.5" - 22.5" 21.5" - 22.5" 38" - 41" 35 - 39 lb
5 22.5" - 23.5" 22" - 23" 41" - 44" 38 - 42 lb
Newborns & Infants
Size Chest Height Weight
0–3 Months 15.5" - 17" 20.5" - 24" 8 - 12 lb
3–6 Months 17" - 18" 24" - 27" 12 - 16 lb
6–9 Months 18" - 18.5" 27" - 29" 16 - 20 lb
12 Months 18.5" - 19" 29" - 30" 18 - 22 lb
18 Months 19" - 20" 30.5" - 33" 22 - 26 lb
24 Months 20" - 21" 33" - 35" 26 - 30 lb

Size chart is a general guide. It may include sizes that are unavailable for this item.