You will see the sleeves are set in a way that suits men with broader arms.
Men’s Henley Short Sleeve Shirt UPF 80+ Lightweight Moisture Wicking Summer Tops
You will find the waist is straight, not tapered, giving men a relaxed fit.
UPF50+ Men’s Long Sleeve Fishing Shirts UV Protection Hoodie Casual Sport Shirts
I appreciate that the S to 2XL range includes both slim and relaxed fits.
Mens UPF 50+ Sun Protection Shirts Quick Dry Long Sleeve Rash Guard Hoodie Shirt
What I appreciate is the consistent white color across the whole shirt, no fading.