Most hiking daypacks up to about 35–40L fit as carry-ons if they stay within 22×14×9 in (56×36×23 cm) and are packed slim.

Match hiking pack size to trip length: 20–30L day hikes, 30–50L weekends, 50–70L 3–5 nights, and 70L+ for winter or bulky loads.

For a typical trail day, a 20–30L hiking daypack fits water, layers, food, and safety items without bulk.

For hiking pack size, match liters to trip length, gear bulk, and your torso fit for a comfy, stable carry.

For hut-to-hut treks, a 30–45L pack fits most hikers; go 25–30L for one night and 40–50L for longer routes.

For day hiking, most hikers fit best in a 20–30L backpack; pick 10–20L for short, light routes and 30–35L for cold or gear-heavy days.

The best socks for hiking boots are merino-wool or synthetic crew socks matched to weather, cushioning, and fit for dry, blister-free miles.

Yes, wear moisture-wicking wool or synthetic hiking socks; skip cotton and match cushion and height to your boots and conditions.

For most hikes, midweight merino-blend crew socks with snug fit and light-to-medium cushion give the best balance of comfort, dryness, and durability.

The right shoes for hiking depend on terrain, load, weather, and fit; choose trail runners, hiking shoes, or boots to match your route.