Now with even more anti-shiver power climbers, hikers and skiers fell hard for the floodlight because its 800+ fill power down is utterly undaunted by wet weather. Completely windproof and seam-taped with bonded down channels protected by Pertex Shield+ 2L, the floodlight is a better take on waterproof insulation. This season, we've added 20 percent more down, so the beloved wet-weather insulator is even warmer.