Space on demand: Wraparound zipper adds +1.6" depth for last‑minute items or souvenirs. Refined control: Redesigned 360° wheels and 4‑height telescopic handle glide smoothly. Protective build: Polycarbonate shell with TSA‑accepted lock + YKK zippers. Organized interior: Removable compression pad, pockets. Carry‑on specs: 22" x 14" x 9.8" (11.4" expanded); 7.78 lb; ~39.9–46 L volume. Fits most overheads when not expanded.