UA Tech™ is Under Armour's original go-to training gear — loose, light, and built to keep young athletes cool. This boys' short-sleeve shirt combines effortless everyday comfort with genuine performance credentials, making it the perfect choice for training sessions, sports practice, or simply staying active in style. Featuring a bold UA logo print, raglan sleeves, and a generous fit, it lets boys move freely without restriction while keeping them looking sharp.
The UA Tech™ fabric is the cornerstone of this shirt. It is engineered to be ultra-soft to the touch while remaining incredibly lightweight — ideal for active boys who do not want a shirt that weighs them down or restricts movement. The fabric achieves a natural, cotton-like feel without sacrificing the performance benefits of technical sportswear. Whether worn at school, on the pitch, or at practice, it feels comfortable from the first moment.
Built-in moisture-wicking technology draws sweat away from the skin and pushes it to the fabric surface, where it evaporates rapidly. This keeps boys cool and dry even in warm conditions or during high-intensity sport. The fast-drying properties mean the shirt is ready again in no time after washing — a practical bonus for busy training schedules.
Many shirts in the UA Tech™ range are produced using recycled, traceable polyester. Approximately 5 plastic bottles are recovered and repurposed in the manufacture of each shirt, reducing environmental impact without compromising on durability or comfort. This commitment to sustainability means parents and young athletes can feel good about their choice both on and off the field.
The generous loose fit provides ample room for movement, so boys are never held back by their clothing during sport or play. Raglan sleeves eliminate the shoulder seam, creating a broader range of arm motion — especially beneficial for throwing, catching, or swinging activities. The combination of fit and sleeve construction makes this shirt as functional as it is stylish.
| Fabric | 100% Polyester (UA Tech™) |
| Fit | Loose |
| Sleeve Style | Raglan short sleeve |
| Care | Machine wash cold inside out, tumble dry low, no softeners, no dry cleaning |
| YXS | YS | YM | YL | |
|---|---|---|---|---|
| US Size | 7 | 8 | 10–12 | 14–16 |
| Chest Width (cm) | 63–66 | 66–69 | 69–74 | 74–83 |
| Waist Width (cm) | 58–61 | 61–63 | 63–69 | 69–76 |
| Hip Width (cm) | 66–69 | 69–71 | 71–79 | 79–86 |
| Height (cm) | 119–128 | 128–135 | 135–150 | 150–165 |
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