Arch support improves foot and leg alignment, enhances comfort, and helps ease stress and uncomfortable caused by flat feet (Pronation), bunions, arthritis,good for Plantar Fasciitis (heel pain & heel spurs), Achilles Tendonitis ★DEEP HEEL CUP- to maintain correct foot positioning.protects your heel during the heavy impact of landing during walking or running and stabilizes the foot. ★PREMIUM EVA MATERIAL - It is excellent for shock absorption and foot fatigue,The fabric also helps keep your feel cool ★DESIGNED FOR EVERYDAY USE - Provides moderate control and support in walking or casual hiking shoes, work shoes and boots.Comfort and cushioning for all types of leisure or everyday footwear