US$ 24.93
charlie leather backpack RFID Backpack - TSA-Friendly Strap Type:Slash-Resistant Jacquard Long Strap (37"-56") BassPro
RFID Backpack - TSA-Friendly Laptop Backpack with USB Port
Start here, and if weight becomes your priority later, move up to titanium then
BassPro
Strap Type:Slash-Resistant Jacquard Long Strap (37"-56")
For carriers that put your kid on your shoulders, you’ll need to watch carefully for low hanging branches