Spenco® Slip-In InsolesThe original"green"insole.Years of proven use and high quality, synonymous with the nameSpenco®,theslip-in insoles provide long-lasting heel-to-toe comfort. Washable, trim to fit with scissors.FEATURES:Closed-cell Nitrogen-injected Spenco®Material: Exclusive cushioning layer absorbs shock and impact to provide maximum comfort. 4-way Stretch Nylon: Helps reduce friction and heat build-up that causes blisters and calluses.Spenco®Footcare Productsare made exclusively with closed-cell nitrogen-injected Spenco®material. This unique cushioning system provides a soft"comfort bubble environment" to helpabsorb shock,reduce frictionand improve overallfoot comfort. Awarded the Seal of Acceptance by theAmerican Podiatric Medical Association.DR. GREEN'S COMMENTS: "These insoles are great for general foot pain and are best used for everyday activities. Our customers like these inserts because they can be trimmed to fit most shoes and are washable. They ar