OmniSuit is a fully passive multitask exoskeleton — no motors, no batteries. Two integrated modules work independently: the shoulder module provides support when arms are elevated at or above shoulder level, reducing neck and shoulder muscle load; the back module activates during forward leaning and lifting below hip level, storing and returning energy to reduce back and hip effort. Both modules use elastic energy storage elements. Shoulder support activates automatically when arm cuffs are worn. Back support is activated and deactivated manually by the worker. Two shoulder support levels are selectable, and back support intensity can be fine-tuned to match the task.