My proposed survival kit, prepared to provide for retreat from urban centers and to ensure initial physical survival after a civilization-ending event, is presented below. Note that this kit does not yet include items necessary for the long-term survival of civilization (e.g., seeds and potatoes to plant, chickens, books).
Excellent backpacking boots
Well-balanced frame backpack
Layered clothing
Warm, waterproof clothing layers (e.g., poncho)
Sun protection gear (hat, light long-sleeved shirt, sunblock)
Firestarter (magnesium/flint type or other)
Compass
Maps
Water bottles, some water, purification tabs (iodine)
Bandana cloth (filtration, etc.)
Cordage in varying weights and lengths
Knife
Saw and/or axe
Paramedic scissors
Handgun, ammunition, and carrying apparatus
High-calorie and high-protein food (shelf-stable), e.g.:
* Macademia nuts - 960 cal/134 grams (one cup)
* Honey - 1030 cal/339 grams (one cup)
* Dehydrated potatoes - 170 cal/48 g (one cup)
* Dried figs - 496 cal/ 199g (one cup)
* Fat (e.g. olive oil) - 1900 cal/205 g (one cup)
* Velveeta cheese spread - 680 cal/224 g (one cup)
* Peanut butter - 1545 cal/258 g (one cup)
* Lifesavers - 1000 cal/200 g (100 lifesavers)
* M&M's - 1023 cal/208 g (1 cup) (or other candy)
* Jerky - 928 cal/226 g (1 cup)
* Sweetened coconut - 351 cal/74 g (1 cup)
* Dry whole milk - 635 cal/128 g (1 cup)
* Lentil flour - 560 cal/160 g (1 cup) - and 44 g protein
Fishhooks & line
Unscented soap
Bandages, moleskin, wound cleaning material
Blanket (for warmth, for catching insects for food, etc.)
Plastic bags in varying sizes
Candles
Needle & heavy-duty thread
Pan for cooking
Tent, tarp
Stun gun, pepper spray, less lethal defense methods
Sleeping bag and pad may be considered for comfort
Water purifier may be considered
Knowledge:
Edible plants and foraging techniques
Water purification
Destination and route plan
Defense (including handgun use)
Medical first aid