The walking Pro offers a 3/4 length semi rigid orthotic in between the top and bottom layers to reduce arch strain and discomfort and improve lateral stability Top layer made with memory foam to mold to the foot for the perfect fit Age - Adult Care Instruction - Spot Clean Insole Description - Extra-cushioned bottom layer adds exceptional shock absorption and delivers superior compression set performance to help retain shape Insole Material - Open Cell Size Fit Information - Trim to Fit Waterproof - Not Waterproof Use - Walking