T-shirts with pockets are available in gray and white in sizes X-Small to XXX-large. The pockets hold all your valuables safely when traveling: passport, credit cards and cash, even keys and cell phones fit and no one will ever be the wiser as to where you are hiding your stuff. Pick pocket proof indeed! The style is a traditional fit t-shirt and suits men as well as women. The sizes are normal men's sizes so women should consider this: XS approximately equals US size 4-6, S equals size 8-10, M equals size 12, large equals size 14 and X-large sizes up. Please consider whether you want a tighter or looser fitted t-shirt & keep in mind that the t-shirts are meant to be worn underneath a second layer to hide the pocket! 100% cotton. Wash warm with like colors. Preferably hand dry or if needed tumble dry low. The Clever Travel Companions travel safety gear with hidden pockets is developed with safety, style and comfort in mind. More than 400 000 travelers are pick-pocketed each day around the world and even more travelers simply misplace and forget their valuables on the road. With the Clever Travel Companion's safety products you are perfectly pick-pocket proof. The Clever Travel Companion's products have been seen in and favorably reviewed by many major travel media.