Today on the First 40 Miles, on the shortest, darkest day of the year can we still find a glimmer of light? Yes! We’ll talk about lumens, lightbulbs, and LEDs and what they can do for you in the dark. On the SUMMIT Gear Review, a flexible light that transitions seamlessly from from lantern to landing strip. Next on the Backpack Hack of the Week, if your closet is crammed with coats, we’ll help you find the perfect home for them.