Patented design foot support for instant heel pain relief. - Brand: PROFOOT - Model Name: Plantar Fasciitis - Size: W 6-10 (Equivalent to Japanese sizes 22-26) - Features: Instant heel pain relief - Design: Patented orthopedic design - How to Use: Wear on the right foot - Recommendation: APMA approved - Material: Gel heel insert I tried it for about 10 minutes. Thank you for looking.