9EnjoyShopping via eBay offers this 5-LED Winter Beanie Hat
in Black for $3.79
with free shipping
. That's tied with our March mention and the lowest total price we could find by $2, excluding other eBay vendors. This hat is one size fits most and features 48 lumens of brightness, an on/off switch, and is powered by CR2032 lithium batteries (not included.)
Note that this item ships from China and may take three to eight weeks to arrive.