A 35-liter travel backpack provides plenty of space for a one-week warm-weather trip without requiring checked bag fees. Plan outfits using a grid system by laying out three tops, three bottoms, and three layers to easily create distinct combinations. Prioritize loose, breathable fabrics like linen for hot climates, and re-check the destination weather forecast immediately before departing to avoid carrying unused outer layers. Pair the main bag with an under-seat personal backpack for inflight essentials and a compact sling bag for daily sightseeing.
Keep electronics light by fully charging long-battery devices like e-readers, cameras, and wireless headphones before leaving home. Bring a single international travel adapter and compatible charging cables rather than heavy multi-port wall blocks. Save liquid weight by relying on hotel-provided body wash and lotion, reserving small stackable travel capsules for personal face and hair products. When traveling with a group, coordinate in advance so only one person packs shared items like sunscreen, toothpaste, or styling tools.
Packing practical accessories from home prevents overpriced local purchases. A high-powered handheld mini fan, compact umbrella, packable water bottle, and universal hair dryer diffuser attachment take up minimal space while solving common travel hassles. For long flights, store a sleep mask, earplugs, neck pillow, and passport wallet inside your personal item under the seat so inflight necessities remain reachable without disturbing other passengers.
Guide adapted from Pack Hacker's video "This Is Everything I Traveled With For One Week (And Why)."