A nice touch is the black stitching that reinforces the buttonholes.
Pack Of 5 American Apparel 2001CVC Unisex CVC Tee Stylish Plain T-Shirt
A nice touch is the double stitching on the sleeves for durability.
5 Pack Of Next Level Apparel Unisex Cotton T Shirt Stylish Plain T-Shirt – 3600
You can get this in S-2XL, perfect for matching with your partner.
Next Level Apparel 3600 Unisex Premium Plain TShirt Super Soft Tee Blank T Shirt
In 2XL, the sleeves are cut fuller to avoid squeezing your biceps.
Gildan 64000 Men’s Ringspun Softstyle Cotton Jersey Knit Crew Neck Plain T-Shirt
A nice touch is the 3XL has reinforced button holes if applicable.