The term serves as an umbrella for a comprehensive lifestyle and fitness approach designed to help individuals—particularly those in the "40+" age bracket—achieve a leaner, stronger, and more defined physique.

To give you a more precise answer, please provide the where you found this term (forum, error log, video title, etc.).

| Size | Chest (in) | Shoulders (in) | Sleeve Length (in) | |------|------------|----------------|--------------------| | 38 | 38–39 | 18.5 | 33 | | 40 | 40–41 | 19.0 | 34 | | 42 | 42–43 | 19.5 | 35 |