PSI Shop Whether as a small souvenir or a practical gift: there is something for everyone in our online shop. Baseball cap Hooded Jacket (Women) Hooded Jacket (Men) Knirps Pocket Umbrella Physics against Cancer Polo shirt Poster Backpack Sports cap Sports Shirt Coolmax Stick Umbrella T-Shirt James & Nicholson Mug Water bottle Victorinox pocket knife "Climber" Victorinox pocket knife "Rally" Contact PSI Visitor Center +41 56 310 21 00visitorcenter@psi.ch