"How old am I now then?" Julia wants to know as she puts on the straps which simulate stiff elbows and knee joints. "It's not possible to say precisely," replies Requirements Researcher Sandra. The suit simulates limitations which typically arise as we age, however it is different for everyone depending on their level of fitness and physical condition. "So around 75 years old," says Sandra while filling the pockets of the orange overalls with around 5.5 kg of weights. Special ear muffs, glasses that simulate age-related farsightedness and a visor which restricts your field of vision complete the experience. Just the arthritis gloves to slip on and she's ready to go.