To maximize suitcase space in 2026, the most effective strategy is the "Rolling Method" combined with Compression Packing Cubes. Instead of folding, roll each garment tightly into a "log" shape; this minimizes air gaps and prevents wrinkles. Using compression cubes allows you to zip away excess air, reducing the volume of your clothes by up to 40%. For bulky items like winter jackets or sweaters, use vacuum-seal bags that allow you to "roll out" the air without needing a vacuum cleaner. Another "pro-tip" is to utilize "dead space" by stuffing socks, underwear, and chargers inside your shoes. Follow the "Bundle Packing" technique for formal wear, where you wrap clothes around a central "core" of soft items to prevent sharp creases. Finally, adopt a "capsule wardrobe" approach: choose a 3-color palette where every top matches every bottom, ensuring you can create 10+ outfits from just a few versatile pieces. Wearing your heaviest items (like boots and a coat) on the plane is the ultimate way to free up significant "internal" space for souvenirs or extra outfits.