The Under Armour HeatGear Men's Compression Long Sleeve Shirt (style 1361524) is the original performance baselayer — the one you put on first and take off last. Built from super-light HeatGear® fabric, it delivers superior coverage and an ultra-tight, second-skin compression fit that supports your muscles and keeps you moving freely. Whether you're on the field, in the gym, on the ice, or out for a run, this long sleeve shirt is the versatile first layer that works across every sport and every intensity level. The vibrant royal blue colourway makes it easy to layer under team kits or wear solo on training days.
HeatGear® — Under Armour's original warm-weather fabric technology, engineered for temperatures between 23 °C and 37 °C. It wicks sweat away from the skin rapidly and dries faster than conventional fabrics, so you stay cool and dry even during the most intense sessions. Moisture Transport System — UA's signature moisture-wicking response pulls perspiration out of the fabric so it evaporates quickly, keeping you drier for longer. Anti-Odor Technology — antimicrobial treatment built into the knit resists the growth of odour-causing microbes, so the shirt stays fresh workout after workout.
HeatGear® is Under Armour's original warm-weather performance fabric, purpose-built for temperatures between 23 °C and 37 °C. The super-light weave delivers superior coverage across the torso and arms without adding any perceptible weight, meaning you can wear it as a standalone layer or tuck it under pads and uniforms with zero discomfort. The fabric stretches in all four directions and always recovers its shape, so the compression fit stays locked in and in contact with your skin throughout the entire workout — no riding up, no bunching. This is the baselayer that Under Armour built its reputation on, and it remains the benchmark for hot-weather compression performance.
UA's Moisture Transport System is a signature moisture-wicking technology engineered into the HeatGear® knit. As soon as perspiration forms against the skin, the fabric's capillary action pulls moisture away from the body and drives it to the outer surface of the shirt, where it can evaporate quickly in the surrounding air. The result is a sustained dry-skin sensation even during the most intense training sessions or competitive matches. Fast drying also means the shirt maintains its lightweight feel throughout the activity, never becoming heavy or clingy with absorbed sweat. Combined with the mesh ventilation panels at the underarms and lower back, the moisture management system creates a continuous cooling effect that helps regulate body temperature.
Under Armour's Anti-Odor Technology is built directly into the fabric of the HeatGear® knit rather than applied as a surface treatment, which means it holds its effectiveness wash after wash. The antimicrobial properties resist the growth of odour-causing microbes at the fibre level, keeping the shirt smelling fresh even through back-to-back training sessions. This is particularly valuable for team sports where multiple players share close contact, and for athletes who train daily. The technology works in harmony with the moisture-wicking system — because sweat is transported away from the skin quickly, bacteria have less moisture in which to thrive, doubling the odour-prevention effect.
The long sleeves are engineered with a hybrid raglan construction, meaning the seams run diagonally from the underarm to the collar rather than sitting on top of the shoulder. This design removes seam pressure from the shoulder joint — one of the most active parts of the body in throwing, swinging, and reaching sports — and provides a fuller, unrestricted range of motion in every direction. The raglan seams are also moved forward off the shoulder blade to eliminate the chafing that conventional set-in sleeves can cause when worn under pads or protective gear. Whether you are throwing a baseball, swinging a golf club, or pressing overhead in the gym, the sleeve construction moves with you rather than against you.
Perforated mesh insets are placed at the underarms and across the lower back — the areas of the body that generate the most heat during physical activity. These panels allow air to circulate freely through the shirt, supplementing the moisture-wicking properties of the HeatGear® fabric with direct ventilation. The athletic mesh knit used in these zones is lightweight and durable, maintaining its breathability and structural integrity even after repeated washing. The strategic positioning ensures that ventilation is delivered precisely where core body temperature rises most sharply, making the shirt suitable for the most demanding training environments.
The compression fit applies firm, even pressure to the major muscle groups of the torso and arms, stimulating blood circulation and increasing the delivery of oxygen to working muscles — which in turn supports both performance during activity and recovery in the hours after. The ergonomic cut positions all seams away from high-abrasion zones such as the shoulders and sides, reducing irritation and extending the lifespan of the garment. A smooth, narrow crewneck with a band inset at the edge sits comfortably under helmets, pads, and collars without digging in. A bonded locker tag on the inside back of the neck replaces the traditional woven label, eliminating the scratching and irritation that tags can cause during prolonged wear.
| Style Number | 1361524 |
|---|---|
| Colour | Royal Blue (400) |
| Fit | Compression (ultra-tight, second-skin fit) |
| Sleeve Length | Long sleeve |
| Neckline | Crewneck with smooth band inset |
| Material | 84% Polyester / 16% Elastane |
| Fabric Technology | HeatGear® |
| Stretch | 4-way stretch |
| Moisture Management | Moisture Transport System (wicks sweat, fast-drying) |
| Odour Control | Anti-Odor Technology (antimicrobial) |
| Ventilation | Mesh panels at underarms and lower back |
| Sleeve Construction | Hybrid raglan (seams off shoulder) |
| Locker Tag | Bonded write-in patch on back of neck |
| Gender | Men's |
| Available Size (this variant) | XXL |
| XS | S | M | L | XL | XXL | 3XL | 4XL | |
|---|---|---|---|---|---|---|---|---|
| Chest (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 |
Measurements are approximate. Source: underarmour.com.
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