Hiking 
Trekking Poles
Hiking Boots, Gaiters.
Rain Gear -Gore Tex or lightweight.
Bear Spray- see bear defense.
Backpacks - Day Packs,
50L, 60L, 70 to 90L, Child Carriers
Rain Pack Covers
Retail: Bug Nets, Bug spray, 
Bear spray, kegs - see bear defense tab.
Dried Food - See retail
First aid, SOL Kits - See Safety
Garmin Explorer, GPS, - See Electronics
Binoculars- See optics tab.