jt3 Streetwear
The jt3 Unisex Under Armour® "On-Court" Performance Heavy Tee
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Elite Technical Engineering. Heavyweight Structure.
Built for the relentless grind of the game. The jt3 Under Armour® "On-Court" Tee fuses elite athletic performance with a heavy, structured streetwear silhouette. Engineered from a massive 7.41 oz. premium cotton-poly blend, this tee delivers an ultra-soft, breathable feel that dries incredibly fast while maintaining a crisp, clean hang. Featuring a fuller, relaxed cut and a functional split hem for maximum mobility, it’s the ultimate crossover piece designed to dominate the hardwood and anchor your street rotation.
- The Fabrication: Heavyweight 7.41 oz./yd² performance blend (60% Cotton / 40% Polyester) that combines the natural comfort of premium cotton with Under Armour’s signature fast-drying utility.
- The Silhouette: Intentionally engineered with a fuller, relaxed athletic cut and a dropped split hem for fluid, distraction-free movement during crossovers and jumpers.
- The Details: Finished with a clean, low-profile heatseal Under Armour® logo on the left sleeve and top back, ensuring zero-friction performance.
- Court-to-Street Utility: A heavyweight build that stands up to elite training sessions while providing the perfect structured drape to match your favorite kicks off the court.
Find Your Perfect Fit
Fuller Cut. Engineered Mobility.
This performance tee is patterned with Under Armour’s signature relaxed, full-cut silhouette. It runs true to size but is cut roomier through the chest, shoulders, and waist to maximize airflow and athletic motion.
- For the Intended Relaxed Athletic Fit: Order your regular size.
- For a Highly Tailored, Fitted Look: Size down one full size.
Product Measurements
To secure your perfect fit before the next drop, grab your favorite training shirt, lay it flat, and match it against our dimensions below.
A Length
Place the tape measure beside the collar at the top of the shoulder (Highest Point) and pull straight down to the bottom hem.
B Width
Place the tape measure at the seam directly under one sleeve and pull it straight across the chest to the opposite seam.
C Sleeve Length
Place the tape measure at the top shoulder seam and pull straight down to the sleeve hem.
Size Chart
| Size Label | Length (inches) | Width (inches) | Sleeve Length (inches) |
| S | 29 | 19 ½ | 9 ¼ |
| M | 29 ½ | 21 | 9 ½ |
| L | 30 | 22 ½ | 9 ¾ |
| XL | 31 | 24 | 10 |
| 2XL | 32 | 25 ½ | 10 ¼ |
Specs
- 60% cotton, 40% polyester
- Fabric weight: 7.41 oz./yd.² (251.24 g/m²)
- Unisex sizing, relaxed fit
- Split hem
- Heatseal Under ArmourⓇ logo
- Fuller cut
