It's currently 7 am. You have 12 hours of daylight and the gear-stocked JanSport Catalyst 20 Backpack to aid your summit push. The perforated EVA shoulder straps and waist-belt provide the breathability you need to run up and down a sun-soaked trail, and the padded EVA back panel keeps the load resting comfortably as you scramble up the last thousand feet.