Hiking

Winter season

navigation
- pre-loaded map
  - phone with battery pack
  - paper map
- compass
- altimeter
  - watch with charger
- trekking poles
headlamp, flashlight
- with extra batteries
sun/rain protection
- sunglasses
- sunscreen
- backpack rain cover
- synthetic jacket
- in snow or ice
  - need extra-dark glacier glasses
first aid
- bandages
- allergy medication
- foot care
- insect repellent
- nitrile gloves
- pain medication
- gauze pads
- adhesive tape
- disinfecting ointment
- mask (to prevent inhaling dust)
- for possible accident
  - gauze
  - elastic wrap bandage
  - tourniquet
knife
fire
- lighter
- fire starter
- matches
shelter
- emergency bivy
- emergency blanket (aka space blanket)
extra food (beyond the minimum expectation)
- protein food pouch (e.g. FitAid, Fuel for Fire)
- water purifying tablets
extra water (beyond the minimum expectation)
- estimate: half liter per hour during moderative activity in moderate temperatures
extra clothes (beyond the minimum expectation)
miscellaneous
- zip-lock bags
- plastic bags

navigation
- not needed if it's a very familiar path, or impossible-to-miss footpath
- trekking poles
headlamp, flashlight
sun protection
first aid
knife
fire
- not needed
shelter
extra food
extra water
extra clothes

knife sharpener
at least 3 L water + 64 oz (1.89 L) kanteen
clothes
- extra set of underwear (top & bottom)
- balaclava
- extra socks
- extra gloves
shelter
- tent
- sleeping bag
- inflatable sleeping pad
- inflatable pillow
- ear plugs