This is general information about carrying gear, drawn from the public bodies named below. The rules of your airline and the conditions on the day of your trip come first.
What the guidance says
US Transportation Security Administration, Umbrellas. Umbrellas are allowed in carry-on bags and in checked bags; the agency asks travelers to check with their airline for any size or weight restrictions. Read September 24, 2026. US National Park Service, The Ten Essentials. The park service lists navigation, sun protection, extra clothing, illumination, first aid, fire, a repair kit, extra food, water and emergency shelter as the ten essentials for a day hike, and advises packing an extra layer, such as a rain shell, for the most extreme conditions you could meet. Read September 24, 2026. How we keep this catalog current
