These Superfeet Premium Blue insoles keep their shape and deliver reliable support and comfort. Superfeet Shape has a medium-profile that gives you added support without taking up additional space. High-Density Foam has a close-cell construction that provides support and added cushioning. Designed to eliminate odor-causing bacteria to keep your feet feeling fresh. Stabilizer Cap has built in rails to reinforce the narrow cap for added support. Deep heel cup provides extra cushioning and support for repetitive impact. 100 percent man-made materials. Measurements: Weight: 1 oz Product measurements were taken using size A (Little Kid 13.5-2). Please note that measurements may vary by size.