The Under Armour HeatGear® Men's Compression Top is the original performance base layer built for warm-weather training — the one you put on first and take off last. Engineered specifically for athletes training in the heat, this compression short-sleeve baselayer shirt keeps you feeling cooler and lighter even in the hottest conditions. The ultra-lightweight HeatGear® fabric locks in a second-skin compression fit that actively supports your muscles, promotes blood circulation, and keeps oxygen flowing so you can push harder and longer. Versatile enough to be worn solo or layered under pads and jerseys, this top delivers superior moisture management and strategic ventilation to keep you cool, dry, and comfortable through every rep and every mile.
HeatGear® is Under Armour's original warm-weather performance fabric, engineered specifically for training in high temperatures. The ultra-lightweight construction provides a barely-there feel while still delivering exceptional coverage and protection across the entire torso. Unlike standard cotton or blended fabrics, HeatGear® is designed to be worn in conditions from 75°F (24°C) and above, actively moving heat and moisture away from the skin rather than trapping it against the body. The result is a garment that feels cooler the harder you work — making it the go-to choice for athletes who refuse to slow down in summer conditions, whether on the pitch, in the gym, or out on the golf course.
Targeted mesh panels are positioned at the back and underarms — precisely the areas of the body that generate the most heat during intense exercise. These panels are engineered for maximum breathability, drawing warm air away from the skin and allowing cooler air to circulate in its place. The strategic placement ensures that ventilation is delivered where it matters most without compromising the compression fit or the structural integrity of the top. This makes the garment exceptionally effective during high-intensity workouts, team sports, and outdoor activities in warm conditions, helping you maintain peak performance without overheating.
Under Armour's advanced Moisture Transport System is engineered to wick perspiration away from the body and push it to the outer surface of the fabric, where it can evaporate rapidly. This active moisture management keeps the skin drier and cooler than passive fabrics that simply absorb sweat and hold it against the body. Combined with the four-way stretch of the HeatGear® material, the fabric moves with you in every direction without restricting performance or comfort. Whether you are sprinting, lifting, swinging a club, or playing team sports, the material dries really fast so you stay comfortable and fresh from warm-up through cool-down.
Under Armour's anti-odor technology works at the fabric level to prevent the growth of odor-causing microbes, keeping the garment smelling fresher for longer even during prolonged or repeated use. This means you can train harder and more often without worrying about your kit letting you down between wash cycles. The technology is designed to remain effective even after repeated washing, ensuring long-term performance and hygiene session after session. It is an essential feature for athletes who train frequently or in environments where changing immediately after exercise is not always possible — giving you confidence throughout every workout.
The hybrid raglan sleeve design extends from the collar to the cuff in a single diagonal seam, eliminating the traditional shoulder seam that can restrict overhead movement. This construction is specifically chosen for compression tops because it allows a full, unrestricted range of motion for sports that involve overhead reaching, throwing, swinging, or cycling arm movements. The hybrid approach combines the best of raglan flexibility with the body-contouring compression fit, so the sleeves move with your arms rather than against them. The result is a top that delivers both athletic performance and exceptional comfort throughout every type of training movement.
Every seam on the HeatGear® Compression Top has been strategically relocated away from the body's highest-friction zones — the underarms, shoulders, and sides — to eliminate chafing and irritation during extended wear. This ergonomic design approach is particularly important in a compression garment, where the close fit means any poorly placed seam can cause repeated abrasion over a long training session. By moving seams to low-contact areas, Under Armour has created a top that can be worn for hours without discomfort, whether as a standalone training shirt or as a base layer beneath pads, jerseys, or other kit. Durability is also maximised as seams are protected from the high-wear zones that break down fabrics fastest.
| Style Code | 1361518-001 |
|---|---|
| Colour | Black / White |
| Intended Use | Men's |
| Fit | Compression — ultra-tight, second-skin fit; size up one if you prefer a less compressive feel |
| Main Body Fabric | 84% Polyester, 16% Elastane |
| Mesh Fabric | 92% Polyester, 8% Elastane |
| Available Sizes | XS, S, M, L, XL, XXL, 3XL, 4XL |
| Technology | HeatGear®, Moisture Transport System, Anti-Odor |
| Sleeve Type | Short sleeve, hybrid raglan construction |
| Best For | Hot-weather training, team sports, running, lifting & baselayer wear |
| Origin | Imported |
| Care Instructions | Machine wash cold with like colours; only non-chlorine bleach when needed; tumble dry low; do not iron; do not dry clean; do not use fabric softeners — they coat fibres and degrade wicking performance over time |
| EU Size | XS | S | M | L | XL | XXL | 3XL | 4XL |
|---|---|---|---|---|---|---|---|---|
| Chest circumference (cm) | 76–81 | 86–92 | 96–102 | 106–112 | 116–122 | 127–132 | 137–142 | 147–153 |
| Waist (cm) | 67–70 | 72–76 | 80–85 | 89–94 | 99–104 | 109–116 | 121–127 | 132–138 |
| Hip (cm) | 81–84 | 86–90 | 94–98 | 102–107 | 112–117 | 122–127 | 132–137 | 138–150 |
| US Size | 26–27 | 28–29 | 30–32 | 34–36 | 38–40 | 42–44 | — | — |
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