Packing for a flight is a chore to begin with, but getting all your travel essentials to fit inside one personal item — without triggering those pesky carry-on fees — requires some serious mental gymnastics and Tetris skills. With airlines getting stricter and stricter about charging for overhead baggage, a piece of well-designed underseat luggage is a smart shopping investment. Nothing beats the peace of mind of knowing that your travel bag will slide right beneath the seat in front of you, especially when the flight crew starts sizing up everyone’s carry-ons at the gate.
