Apparel: Caring for Your Apparel
Waterproof/breathable shells depend on relatively delicate components in order to function. Wash them enough, but not too much.

Apparel: Understanding Outdoor Apparel
Backpacking clothing both keeps you comfortable and keeps you safe from the wilderness perils of heat-related illness, dehydration, and hypothermia.

Apparel: What to Buy in Apparel?
Understand fabric characteristics (natural vs. synthetic) and the layering system (layer next to skin, insulating layer, outer shell layer).