The "Unstoppable" Performance Muscle Tank
When the intensity ramps up, you need gear that breathes. This muscle tank features deep-cut armholes for maximum range of motion (and to show off the triceps you’ve been working on). Built from lightweight, airlume cotton, it keeps you cool during your heaviest sets.
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The Graphic: Bold "Unstoppable Energy" lightning bolt to set the tone.
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The Fit: Relaxed fit with low-cut armholes for zero restriction.
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The Feel: Ultra-breathable fabric that won't cling to you when you sweat.
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Wear It: On arm day, for outdoor cardio, or beach workouts.
• 100% airlume combed ring-spun cotton
• Fabric weight: 4.2 oz/y² (142 g/m²)
• 32 singles
• Relaxed fit
• Side-seamed construction
• Wide, low-cut armholes
• Blank product sourced from Nicaragua, Honduras, or the US
Size guide
| SHIRT WIDTH (inches) | SHIRT LENGTH (inches) | CHEST TO FIT (inches) | |
| S | 18 | 26 | 34-37 |
| M | 20 | 27 | 38-41 |
| L | 21 5/8 | 28 | 42-45 |
| XL | 23 5/8 | 29 | 46-49 |
| 2XL | 25 5/8 | 30 | 50-53 |