Hanes via Rakuten offers its Hanes Men's Tagless Boxer Briefs with Comfort Flex Waistband 5-Pack in Black/Grey for $13.50. Coupon code "APPAREL20" cuts that to $10.80. With free shipping, that's the lowest price we could find by $4, although we saw it for a buck less last month. They're available in sizes S to XL. Deal ends February 11.