When you don't know what to wear, a polo shirt is usually the answer. This Nautica classic features a comfortable fit, soft cotton construction and a dual-tipped collar that adds just enough visual flair without ever feeling flashy. It's a versatile staple you'll likely reach for all season long, whatever the occasion. It's available in XS-6X Big.

Promising review: “I got these shirts as a gift for my dad and he loves them!! They are so soft and he said they are very comfortable and breathable. I ordered 3 of these in different colors and the colors are all great. The sleeves fit well and my dad really enjoys these kinds of shirts, so he was ver pleases with the outcome! They are more affordable than other brands where 1 shirt retails over $50.” — Abbi

$21+ AT AMAZON (REGULARLY $29)

You can never have too many plain tees. This six-pack of crew tees from Gildan is 100% cotton for a basic, no-frills tee that's perfect for tucking in, wearing as an undershirt or lounging around at home. They come in S-2XL. Nab a pack in black, white or both.

Promising review: “Let me tell you, these Gildan black crew t-shirts are an absolute staple. The fit is great — not too tight, not too boxy, just right. The fabric feels solid and comfortable against the skin, exactly what you want from an everyday t-shirt. And getting 6 of them in one pack at this price? The value is unbeatable.