Timeless Muscle Shirt — “Built for the Unshakable”

A fusion of function and identity. The Timeless Vest is lightweight yet commanding — made for movement, made for resilience. Every line and stitch was designed to amplify posture and presence.
It’s not fashion; it’s fortitude.
For those who stand firm when the world bends.

• 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

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), Oak Inc. 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 Markou Evgenikou 11, Mesa Geitonia, 4002, Limassol, Cyprus.

Size guide