Robotic Apparel to Prevent Freezing of Gait in Parkinson Disease

Inclusion Criteria: * 18-90 years old * Self-reported Freezing of Gait due to PD * Score of 21 or higher on the cognitive screening test (Montreal Cognitive Assessment Score (MoCA)) * Independent ambulation (with or without an assistive device, no physical assistance) for at least 20 meters * Able to understand, communicate, and be understood by study staff * Provide HIPAA Authorization to allow communication with the participant's treating physician/provider for medical clearance (if deemed necessary by study clinical team) to verify self-reported medical history (if deemed necessary by study clinical team) * Provide informed consent * Ability to participate in 8 research study visits Exclusion Criteria: * More than 2 falls in the previous month, as a result of gait impairment (may enroll under clinician discretion) * Major surgery in the last 6 months that interferes with walking (may enroll under clinician discretion) * Gait deficits due to missing limbs * Experience chronic pain that interferes with walking ability (may enroll under clinician discretion) * Serious co-morbidities (unrelated to gait impairment) that may interfere with ability to participate in research (e.g. cardiovascular, neurological, skin, and vascular conditions such as acute, ongoing/unmanaged deep vein thrombosis) * No observable freezing-of-gait