The Under Armour Heatgear Armour Short Sleeve Shirt - Boys' is a sweat-wicking shirt for sports and training. HeatGear Armour is all about performance, as it wicks sweat, dries fast, and stretches so you can move no matter what. Whether it's running fast over grass, dirt, or in the gym, it'll help your kid do their best.
Short Sleeve
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Polyester
Crew
Slim Fit
Everyday Casual
Size Guide
| XS | S | M | L | XL | |
|---|---|---|---|---|---|
| US Sizes | 7 | 8 | 10 - 12 | 14 - 16 | 18 - 20 |
| Chest | 25 - 26" | 26 - 27" | 27 - 29" | 29 - 32 1/2" | 32 1/2 - 35 1/2" |
| 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 |
| Chest | 25 - 26 1/2" | 26 1/2 - 27 1/2" | 27 1/2 - 30 1/2" | 30 1/2 - 34" | 34 - 36" |
| 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 |
|---|---|---|---|---|
| Chest | 20 - 21" | 20 1/2 - 21 1/2" | 21 1/2 - 22 1/2" | 22 1/2 - 23 1/2" |
| 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 |
Chest — Place tape measure under your arms at the fullest part of your chest, wrap around your body until your fingers meet and mark the measurement.
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.
