100% cotton (gray 92% cotton, 8% polyester) Metal zipper pullers, plastic zipper (does not set off Airport security)
The hidden pocket holds all your valuables safely when traveling; passport, credit cards and cash, even the largest of cell phones (tested with iPhone 7+ in sturdy case) fit and no one will ever be the wiser as to where you are hiding your stuff.
Suits men as well as women, sizes are mens.
Wash warm with like colors. Preferably hand dry or if needed tumble dry low.