Amazon offers Prime members the Hanes Men's ComfortSoft Crewneck T-Shirt 6-Pack, model no. 2135P6, V-Neck T-Shirt 6-Pack, model no. 777VP6, or Undershirt 6-Pack, model no. 372AP6, for $12.88 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $5.48.) That's $3 below our mention of the crewneck 6-pack from three days ago and the lowest total price we could find for any of these packs today by $2. They're available in sizes S to XL.

Of note, with stock varying by ZIP code, select Walmart retail stores may charge the same. (They're available online, but shipping adds $4.97.)