Calvin KleinCalvin Klein Men's Short Cotton Multipack V Neck T-Shirts

Why is it more expensive per shirt to buy the seven than the five?

How long are these shirts? Are they longer than normal t shirts?

Hello. how can i garauntee the xl multi pack of 100% cotton tees made from bangladesh? thanks in advance

I'm hearimg alot of mixed reviews on the sizing for these shirts. I'm a buff dude that wears size L but I'm unsure of what I should get for this?