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Backpacks are often heavy and can be a significant cause of pain. To avoid pain, they must be worn in a certain way and readjusted when they move. Yet, recognising when to adjust a backpack is not self-evident. It is an evolving embodied process—a subtle, negotiation between body and pack. We present Sensepack, a wearable that sits in-between a backpacker’s body and their pack. Sensepack supports novice backpackers to learn to recognise and sense backpack displacement. It monitors shifts in weight distribution, using four textile-sensors to determine imbalances and provides tactile, real-time feedback. We evaluated Sensepack through user testing—indoors on stairs, and in the field. Our preliminary findings suggest that Sensepack may be useful for learning to identify shifts in backpack weight that can cause long-term stress on the body.