This paper investigates the key factors associated with the realization of a hand exoskeleton to be embedded in an astronaut’s EVA glove, in order to overcome the stiffness of the pressurized space suit. An overview is provided, laying the ground for the forthcoming prototype study, design and construction, by presenting the main constraints related to the realization of a hand exoskeleton for EVA suits and a preliminary concept analysis of possible solutions in terms of mechanical structure, actuators and sensors. The future exoskeleton will be a complex mechatronic system detecting the operator’s movement through sensors, processing the acquired data and generating the motion through its actuation system.

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