The Gildan model offers a relaxed fit that works for most body types.
Tie Dye T-Shirts Multi-Color Adult XL 100% Cotton Colortone
This shirt is based on the Gildan model, so the sizing is true to size.
Colortone Tie Dye TD950 Adult 2XL Dyed Stylish T-Shirt Rainbow Color Burst
With short sleeves, you can easily layer a flannel or denim jacket over it.
Colortone Tie Dye TD950 Adult Pigment Dyed Stylish T-Shirt
A nice touch is the regular fit, which means you can wear it tucked or loose.
Lithuania 1992 Olympic Basketball Tie Dye T-shirt S M L XL 2X 3X
You will see the fabric is soft but sturdy, a combo men tend to like.