1.This heel lifts come equipped with a quality layer of cushion to prevent heel shock. Our latest pad design provides additional support for your arch, and the ball of your foot. Invisible Elevator design that projects a taller you2.FIT MOST STYLE OF SHOES - Boot, Sneaker, and trainer etc. Height increasing insole is adjustable depending on shoe type.3.FEATURED AIR CUSHION - The insoles have air cushioned caps which give maximum comfort to your heels and let you feel relaxed all day long. Adjustable height function makes them comfortable to wear. shoes pads with superior shock absorption and softness, Not easily deformed.4.COMFORTABLE FABRIC - Breathable fabric help circulate air to prevent the buildup of moisture, Heat and friction reducing fabric helps feet stay cool, dry, and odor-free during strenuous activity keeping your feet comfortable, healthier, and blister-free.