She is 5'4 and 125 lbs wearing a size X small. He is 6'1 and 185lbs wearing a size large.
 
The Bella + Canvas Unisex Heather CVC T-Shirt offers comfort and style. Crafted from a blend of airlume combed and ring-spun cotton with polyester. Features include a retail fit, pre-shrunk fabric, and side-seaming for durability. Customers praise its quality and adaptability.
 
4.2 oz., 52% airlume combed and ringspun cotton, 48% polyester, 32 singles
Heather Prism Colors are 99% Airlume combed and ring-spun cotton, 1% polyester
Heather Athletic, Heather Black, and Heather Prism Blue are 90% airlume combed and ring-spun cotton, 10% polyester
Shoulder taping
Side-seamed
Pre-shrunk
Retail fit
Tear away label