A wide-leg jumpsuit can clear the floor while standing and still brush a stair when the knee lifts. Test that movement at home before deciding whether the outfit works for a venue with steps.
Run the test in the complete outfit
Wear the exact shoes and underlayers planned for the day. On a well-lit, familiar staircase with a handrail, walk one flight at a normal pace. Have another person observe from a safe position; do not look down continuously or film while walking.
Repeat once after sitting for several minutes, because fabric can settle differently. Note whether the hem touches the step, catches under a shoe, or requires a hand to lift it.
Choose one control method
If the garment clears every step without attention, record the shoe pairing and keep it. If a brief lift is needed only at stairs, decide whether one free hand will reliably be available. If the hem repeatedly reaches the walking surface, alteration or a different outfit is the more dependable answer.
Decision aid: “Hands-free,” “stairs-only lift,” or “change required.” Do not call a result successful merely because no stumble occurred in one trial.
Also test sitting, standing and using a restroom, since a solution that controls the hem should not create a new practical problem elsewhere.
If the venue has escalators, outdoor steps or uneven flooring, the home staircase is only a first screen. Plan a conservative alternative for conditions you cannot reproduce. A discreet change of shoes may alter clearance, so it requires its own complete test.
The Wide-Leg Jumpsuit with Pockets listing is a useful product reference. Confirm current details and judge the actual garment length on the wearer.