GearXS offers this 7-LED Headlamp 2-Pack for $5.99. Coupon code "MOM" drops it to $5.39. With free shipping, that's tied with our mention from February and the lowest total price we could find today by $2, outside of the mention below. Each lamp features adjustable sizing and up to 100,000 hours of light.
A close price: 13 Deals offers it for free plus $5.49 for shipping.