I really like that the gray color feels grounded and practical.
Caterpillar Relaxed Fit Short Sleeve T-Shirt Blue, Gray or Brown NWT
What stands out is the relaxed fit, giving you a modern, relaxed silhouette.
NWT Tommy Hilfiger Mens Regular Fit Solid Pocket Short Sleeve T-Shirt Jersey Tee
The crew neck on this is soft and relaxed, making it easy to wear casually.
CAT Caterpillar Men’s Relaxed Fit T Shirt, Color Gray, Size Medium, Durable. 
This T-shirt’s solid design is all about simplicity and practicality.
DRI-FIT Long Sleeve T-Shirts, UPF 50+ Sun Protection Shirt WHITE
HappyFit keeps the seams flat to avoid any itching against your skin.