To avoid carry-on weight penalties in 2026, the most effective strategy is the "Wearable Luggage" method. Airlines are increasingly "militant" about weighing bags at the gate, but they rarely weigh the passengers themselves. Investing in a multi-pocket travel vest (like a Scottevest) allows you to move heavy electronics, power banks, and even rolled-up clothing into your pockets, which are exempt from bag weight limits. Another 2026 "hack" is the Pillowcase Trick: many travelers pack a zip-up travel pillowcase with soft clothing; most airlines view a neck pillow as a personal comfort item rather than luggage. Additionally, prioritize "technical fabrics" like merino wool or ultralight synthetics that provide warmth without bulk. Finally, if you are flying a low-cost carrier in 2026, consider buying a small item at the airport Duty-Free shop; airlines generally allow one duty-free bag in addition to your carry-on, providing a "secret" extra 5 liters of storage space for heavy items.