- Size: 41/42 What do you get? - QBK orthopedic insoles for comfortable support and increased cushioning - Useful for symptoms such as plantar fasciitis, supination, flat feet, heel spurs, Achilles tendonitis, and standing or walking for long periods What can QBK arch support insoles do for you? - Provide mechanical alignment for the feet and prevent excessive pronation - Reduce foot damage caused by vibration - Relieve heel pain and spurs caused by heel injuries, foot pain, plantar fasciitis, bone or heel pain - Suitable for all types of footwear: running shoes, dress shoes, boots, sports shoes, work shoes, leather shoes, etc.