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The Under Armour Heatgear Armour Short for boys' is a baselayer short for fast-moving sports. This next-to-skin layer wicks sweat, dries fast, and is plenty stretchy for mobility. They'll stay comfortable so they can push it to the next level.
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Polyester / Elastane Blend
Slim Fit
Hiking
Size Guide
| XS | S | M | L | XL | |
|---|---|---|---|---|---|
| US Sizes | 7 | 8 | 10 - 12 | 14 - 16 | 18 - 20 |
| Waist | 23 - 24" | 24 - 25" | 25 - 27" | 27 - 30" | 30 - 33" |
| Hips | 26 - 27" | 27 - 28" | 28 - 31" | 31 - 34" | 34 - 37" |
| Height | 47 - 50 1/2" | 50 1/2 - 53" | 53 - 59" | 59 - 65" | 65 - 70" |
| Alpha Size | XS | S | M | L | XL |
|---|---|---|---|---|---|
| US Sizes | 7 | 8 | 10 - 12 | 14 - 16 | 18 |
| Waist | 23 - 24" | 24 - 24 1/2" | 24 1/2 - 26 1/2" | 26 1/2 - 30 1/2" | 30 1/2 - 32 1/2" |
| Hips | 26 - 28" | 28 - 29" | 29 - 32 1/2" | 32 1/2 - 36 1/2" | 36 1/2 - 38 1/2" |
| Height | 47 - 51" | 51 - 53" | 53 - 58 1/2" | 58 1/2 - 63" | 58 1/2 - 63" |
| Alpha Size | 2T | 3T | 4 / 4T | 5 |
|---|---|---|---|---|
| Waist | 20 1/2 - 21 1/2" | 21 - 22" | 21 1/2 - 22 1/2" | 22 - 23" |
| Height | 33 - 35" | 35 - 38" | 38 - 41" | 41 - 44" |
| Weight | 29 - 33 lb | 32 - 36 lb | 35 - 39 lb | 38 - 42 lb |
| Alpha Size | 0 - 3 M | 3 - 6 M | 6 - 9 M | 12 M | 18 M | 24 M |
|---|---|---|---|---|---|---|
| Chest | 15 1/2 - 17" | 17 - 18" | 18 - 18 1/2" | 18 1/2 - 19" | 19 - 20" | 20 - 21" |
| Height | 20 1/2 - 24" | 24 - 27" | 27 - 29" | 29 - 30" | 30 1/2 - 33" | 33 - 35" |
| Weight | 8 - 12 lb | 12 - 16 lb | 16 - 20 lb | 18 - 22 lb | 22 - 26 lb | 26 - 30 lb |
Waist — Measure around your natural waistline - right above your hips. Be careful not to squeeze too tight to allow a little give.
Hips — With your feet together, measure around the fullest part of your hips to ensure you'll have enough room to move comfortably.
