The secret to not overpacking for a seven-day trip in 2026 is the "Rule of Three" combined with a strict color-coordinated wardrobe. Focus on packing three pairs of shoes (one comfortable walking pair, one casual/dressy, and one flip-flop/sandal) and stick to a neutral palette so every top matches every bottom. Utilize packing cubes to compress your items and organize by "outfit" rather than by category. A high-value peer tip is to "Pack, then Edit": lay everything out 48 hours before you leave and force yourself to remove exactly 25% of the items. Many travelers now prioritize "Merino wool" or technical fabrics that are odor-resistant and can be worn multiple times before needing a wash. By choosing a "carry-on only" lifestyle, you eliminate the physical space that allows for "just in case" items. Finally, remember that almost every destination in 2026 has laundry facilities or stores where you can buy forgotten basics, so you don't need to pack for every possible weather anomaly or social scenario.