And the list has some problems. Too many clothes, missing sleep clothes, filter instead of Philmont tablets, bear canister, and so on. Prompt was “make a backpacking gear list for Philmont”.

Clothing and Footwear

Hiking boots or shoes
Camp shoes or sandals
Hiking socks (3-4 pairs)
Synthetic or wool t-shirts (2-3)
Long-sleeve shirt (1)
Hiking pants (1-2 pairs)
Shorts (1-2 pairs)
Fleece or down jacket
Rain jacket and pants
Hat and gloves
Underwear (3-4 pairs)
Bandana

Backpacking Gear

Backpack (50-65 liters)
Sleeping bag (rated to at least 20°F)
Sleeping pad
Trekking poles (optional)
Headlamp or flashlight
Extra batteries
Water bottles or hydration system (2-3 liters total capacity)
Water filter or purification system
Cookware and utensils (pot, stove, fuel, spork, cup)
Bear bag or canister (depending on Philmont regulations)
Backpack rain cover
Personal first-aid kit
Map and compass
Sunscreen and insect repellent
Pocket knife or multi-tool
Whistle
Personal hygiene items (toothbrush, toothpaste, hand sanitizer, toilet paper)
Trash bag
Camera (optional)

Optional Items

Camp chair
Trekking umbrella
Gaiters
Binoculars
Journal and pen