Pro ClubMen's 3-Pack Heavyweight Cotton Short Sleeve Crew Neck T-Shirt

Do they fit true to size?

Hi, can you tell me please what is the maximum gsm for this t-shirts, I need some thick ones. Thanks

Is the navy color really 50% polyester? overall description says only heather gray and charcoal are blends. looking for 100% cotton navy.

Do they come in v neck ?