Gel-like material effectively absorbs subtle foot vibrations and relieves walking pain, offering a soft feeling just like walking on gel. Up to 30% shock absorption effectively reduces excessive impact on heels, knees, and ankles during walking or running. Double cushioning comfort, new technology with superior pressure relief cushioning. Zeolite is used for odor elimination and purification properties; breathable fabric keeps feet fresh and dry, preventing stuffiness. Curved design fits the sole of the foot, providing all-day comfort for your feet. Suitable for use in running shoes, sports shoes, casual shoes, etc. Available in two sizes: S (22.5cm-26cm) / M (25.5cm-29.5cm), insoles can be trimmed to fit the most suitable size.