Inclusion Criteria:

• 1. Men and women ≥ 22 years of age with a diagnosis of MS.
• 2. EDSS scores \< 6.5 at screening; a demonstrated gait deficit.
• 3. Can walk at least 10 meters with or without the use of walking aids.
• 4. Participants must be stable without relapse for at least 60 days and agree to PoNS therapy regimen.

Exclusion Criteria:

• 1. Other neurological, visual, or orthopedic problems that significantly interfere with balance or gait.
• 2. Dementia.
• 3. Subjects who are currently attending physical rehabilitation and are unwilling to switch to PoNS-specific physical therapy regimen.
• 4. Subjects who are already functional community ambulators (gait speed\>120cm/s43).
• 5. Subjects will also be excluded as per the Helius Medical PoNS device indication for usage ("electrical stimulation should not be used: if there is an active or suspected malignant tumor; in areas of recent bleeding or open wounds; in areas that lack normal sensation; in women who are pregnant, or in people with sensitivity to nickel, gold or copper").