Sof Sole insoles featuring a Plantar Relief Bridge to provide sturdy support to arches Gel in heel disperses heel strike and soothes heel spurs 3/4 length fits most types of footwear Perfect for athletic and casual shoes Ideal for walking, work, casual FSA HSA Eligible Item - The Sof Sole Plantar Fascia 3/4 Length Insoles are eligible for purchase with Flexible Spending Accounts (FSAs) and Health Savings Accounts (HSAs).