10 Essentials The 10 Essentials Navigation: Topo map, compass, GPS/GPS app Sun Protection: Sunscreen, sunglasses/goggles, hat Insulation: Extra layers, wool hat, gloves/mittens, buff, hand warmers Illumination: Flashlight, headlamp, extra batteries First Aid: Bandages, antiseptic wipes, splint Fire: Lighter/waterproof matches, fire starter, saw Tools: Knife, zip ties, duct tape, whistle, multi-tool, cell phone, avalanche gear Nutrition: High energy snacks (jerky, trail mix, etc.) Hydration: Water/filter/purifier, cup to melt snow Shelter: Sleeping bag, tent/tarp/bivy/space blanket