A nice touch with Bella + Canvas is the way the shoulder seams are set to prevent slipping.
2 Pack Of Next Level Apparel N6210 Unisex CVC Premium Soft Tee Crewneck T-Shirt
This t-shirt works as a base layer under a hoodie or jacket.
3 Pack Of Hanes 5180 Unisex Plain Blank Casual Beefy-T Shirt Stylish T-Shirt
A nice touch is how Hanes keeps the seams flat to prevent any chafing issues.
KITH 25SS Ellipse Logo Box Cotton Relaxed Tee Unisex
You will find that unisex adult sizes like this one are super versatile for any wardrobe.