Our UA Hg Armour Ls is the perfect performance baselayer for athletes. It is crafted with HeatGear fabric that provides superior sweat-wicking and quick-drying capabilities, while UPF 30 protection shields the skin from the sun. The 4-way stretch construction and mesh underarm panels offer strategic ventilation and maximum mobility. Stay cool and comfortable all day in our UA Hg Armour Ls.
Our UA Hg Armour Ls is the perfect performance baselayer for athletes. It is crafted with HeatGear fabric that provides superior sweat-wicking and quick-drying capabilities, while UPF 30 protection shields the skin from the sun. The 4-way stretch construction and mesh underarm panels offer strategic ventilation and maximum mobility. Stay cool and comfortable all day in our UA Hg Armour Ls.
in 3 offers
The lowest price for Under Armour Boys' right now is $39.99 at Rebel, compared across 3 retailers.
The all-time low was $20.99 on 14 Nov 2025 — today's price is 91% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 12 May 2026.
Under Armour Boys'
Our UA Hg Armour Ls is the perfect performance baselayer for athletes. It is crafted with HeatGear fabric that provides superior sweat-wicking and quick-drying capabilities, while UPF 30 protection shields the skin from the sun. The 4-way stretch construction and mesh underarm panels offer strategic ventilation and maximum mobility. Stay cool and comfortable all day in our UA Hg Armour Ls.
Our UA Hg Armour Ls is the perfect performance baselayer for athletes. It is crafted with HeatGear fabric that provides superior sweat-wicking and quick-drying capabilities, while UPF 30 protection shields the skin from the sun. The 4-way stretch construction and mesh underarm panels offer strategic ventilation and maximum mobility. Stay cool and comfortable all day in our UA Hg Armour Ls.
Last updated at 12/05/2026 04:53:49
Under Armour Boys HeatGear Tee Black/White XS XS
Delivery between 15–20 May $10.99
Under Armour HeatGear Armour Boys' Long Sleeve Black YXS
Delivery between 15–26 May $9.99
Boys Under Armour Black Heat Gear Long Sleeve T-Shirt 5-6 Years (110-116cm)
Delivery $10
| Style | HeatGear Armour Long Sleeve Compression Tee |
Under Armour Boys HeatGear Tee Black/White XS XS
Delivery between 15–20 May $10.99
Under Armour HeatGear Armour Boys' Long Sleeve Black YXS
Delivery between 15–26 May $9.99
Boys Under Armour Black Heat Gear Long Sleeve T-Shirt 5-6 Years (110-116cm)
Delivery $10
| Style | HeatGear Armour Long Sleeve Compression Tee |
