- Size: 41/42 • Relief and prevention of foot pain: rigid arch support that reduces excessive stretching of plantar fasciitis. • Relieves stress and pain from flat feet, arches, bunions, and back pain. • Extra high arch support and deep heel cup structure for maximum cushioning and stability. • Prevents overpronation or supination. • Comfortable material: Poron heel pad for shock absorption, TPU material for arch support, and odor-reducing fabric. • Designed for daily use, they fit most shoes such as running shoes, work shoes, boots, and high-volume dress shoes.