90+4 Beyond the Whistle Muscle Shirt
Black / S
$40.00
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THE GAME ENDS. THE MINDSET DOESN’T.
The 90+4 Beyond the Whistle Muscle Shirt is made for those who carry the fight long after the final minute. Featuring the oversized signature 90+4 logo across the chest, this sleeveless tee delivers a bold athletic look built around determination, confidence, and refusing to quit.
The relaxed fit, low-cut armholes, and lightweight cotton construction give you freedom to move whether you’re training, watching the match, hitting the streets, or taking on the day.
Details:
• 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
• Available in black and white
• Sizes S–2XL
WHAT HAPPENS AFTER 90 DEFINES YOU.
Age restrictions: For adults
EU Warranty: 2 years
Other compliance information: Meets the flammability level requirements.
In compliance with the General Product Safety Regulation (GPSR), 90+4, LLC and SINDEN VENTURES LIMITED ensure that all consumer products offered are safe and meet EU standards. For any product safety related inquiries or concerns, please contact our EU representative at gpsr@sindenventures.com. You can also write to us at 6574 N State Road 7
Coconut Creek, Florida 33073
USA or Markou Evgenikou 11, Mesa Geitonia, 4002, Limassol, Cyprus.
90+4 Beyond the Whistle Muscle Shirt
$40.00
The 90+4 Beyond the Whistle Muscle Shirt is made for those who carry the fight long after the final minute. Featuring the oversized signature 90+4 logo across the chest, this sleeveless tee delivers a bold athletic look built around determination, confidence, and refusing to quit.
The relaxed fit, low-cut armholes, and lightweight cotton construction give you freedom to move whether you’re training, watching the match, hitting the streets, or taking on the day.
Details:
• 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
• Available in black and white
• Sizes S–2XL
WHAT HAPPENS AFTER 90 DEFINES YOU.
Age restrictions: For adults
EU Warranty: 2 years
Other compliance information: Meets the flammability level requirements.
In compliance with the General Product Safety Regulation (GPSR), 90+4, LLC and SINDEN VENTURES LIMITED ensure that all consumer products offered are safe and meet EU standards. For any product safety related inquiries or concerns, please contact our EU representative at gpsr@sindenventures.com. You can also write to us at 6574 N State Road 7
Coconut Creek, Florida 33073
USA or Markou Evgenikou 11, Mesa Geitonia, 4002, Limassol, Cyprus.
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 |
| SHIRT WIDTH (cm) | SHIRT LENGTH (cm) | CHEST TO FIT (cm) | |
| S | 45.7 | 66 | 86.4-94 |
| M | 50.8 | 68.6 | 96.5-104.1 |
| L | 53.3 | 71.1 | 106.7-114.3 |
| XL | 58.4 | 73.7 | 116.8-124.5 |
| 2XL | 63.5 | 76.2 | 127-134.6 |