Walmart offers the Hanes Men's Printed Short Sleeve Beefy T-Shirt in seven colors (American Hot Rod Ultra Blue pictured) for $3 plus $5.97 for shipping. (Choose a size and color to see this price.) That's $3 off list and the lowest total price we could find. They're available in sizes S to XL, although not in all sizes/colors.
Walmart offers the Hanes Boys' Knit Boxers 5-Pack for $6 plus $5.97 for shipping. That's tied with our mention from a week ago and the lowest total price we could find by $2. They're available in sizes S, M, and XL.