We actually upgraded one of the best-selling polos in the world. The fabric is now lighter and more breathable, keeping young golfers even cooler and more focused on the course. Made from smooth, soft synthetic fabric that is anti-pill, quick-drying, and designed to move with every swing, the Under Armour Performance Boys Polo delivers real athletic performance without sacrificing a clean, smart look. Whether he is teeing off on the golf course or heading out for a special occasion, this polo handles it all with effortless style.
The 4-Way Stretch fabric is engineered to move better in every direction — forward, back, left, and right. This means young athletes face no restriction during a full golf swing, a sprint across the playground, or any movement in between. The stretch returns to shape reliably, so the polo keeps its neat silhouette all day. Combined with the loose, fuller cut, it offers the ultimate freedom without sacrificing a polished appearance.
Under Armour's signature moisture-wicking technology actively pulls sweat away from the skin to the outer surface of the fabric, where it evaporates quickly. The result is a shirt that keeps boys dry and comfortable even during intense activity in warm weather. The lightweight synthetic construction accelerates the drying process dramatically compared to cotton, making this polo the ideal choice for a full round of golf on a hot summer day.
Under Armour's Anti-Odor technology is built directly into the fabric to prevent the growth of odor-causing microbes. This is not a topical treatment that washes out over time — it works at the fibre level to keep the polo smelling fresh even after an active day on the course. Boys can wear this shirt with confidence from the first hole all the way through to the 19th, knowing the fabric is working hard to fight unwanted odour.
With a UPF 50+ rating, this polo blocks the vast majority of the sun's harmful ultraviolet rays, protecting young skin during long hours spent outdoors on the golf course. Unlike sunscreen that needs to be reapplied, the sun protection in the fabric itself is permanent and requires no additional maintenance. It gives parents peace of mind and lets boys focus on their game without worrying about sun damage.
The smooth, soft textured fabric is specifically engineered to resist picking and pilling, maintaining a clean, premium appearance even after repeated use and washing. The snag-free finish means the shirt looks as good on the 18th hole as it did on the 1st tee. This durability is especially important for active boys who put their clothing through heavy day-to-day wear, making this polo a smart long-term investment.
The ribbed knit collar and 2-button placket give this polo a timeless, dressed-up look that is right at home on any golf course with a dress code. The loose fit provides a clean silhouette without feeling baggy, striking the perfect balance between athletic function and smart casual style. Its elegant design makes it equally suitable for school, family dinners, and any occasion where a collar is required.
| Brand | Under Armour |
| Model | UA Performance Boys Polo |
| Style # | 1377346 |
| Colour | Black (001) |
| Fit | Loose — fuller cut for complete comfort |
| Material | 94% Polyester, 6% Elastane |
| Sun Protection | UPF 50+ |
| Stretch | 4-Way Stretch |
| Available Sizes | YS, YM, YL, YXL |
| Care Instructions | Machine wash cold with like colours; tumble dry low; do not iron; do not use fabric softeners; do not dry clean |
| Size | YXS | YS | YM | YL | YXL |
|---|---|---|---|---|---|
| Height (cm) | 122–127 | 127–137 | 137–149 | 149–160 | 160–170 |
| Chest circumference (cm) | 63.5–66 | 66–71.1 | 71.1–76.2 | 76.2–81.3 | 81.3–86.4 |
| Waist circumference (cm) | 55.6–58.4 | 58.4–66 | 63.5–66 | 66–68.6 | 68.6–71.1 |
Size guide values are approximate. Source: underarmour.com
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