A crew neck like this one makes the shirt easy to style with any accessory.
Next Level Apparel Super Soft Premium Plain TShirt Blank Fit T-Shirt SIZE X SMA
What I notice is the crew neck, which has a slight stretch for easy movement.
Next Level Apparel Unisex Cotton T Shirt Stylish Plain T-Shirt – 3600
The short sleeve design is a timeless choice that fits any age group.
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.
Tie-Dye Adult 5.4 oz. 100% Cotton Long Sleeves Dye T-Shirt CD2000 S-3XL
A nice touch on this t-shirt is the reinforced stitching at the shoulders.