Your belongings are available at your fingertips and protected when you carry them in a waist pouch. The pouches come in a variety of styles and colors.
A good option is the Travelon RFID Blocking Undergarment Waist Pouch which has enough space for a cell phone, credit/debit cards, and a passport. It blocks the magnetic field from accessing the RFID chips in your cards.
The price is just $17. Travelon RFID Blocking