Foot Massage & Arch Support- The insoles with regularly raised dots on the top, you can massage your feet whenever and wherever you want to relieve leg fatigue, and the arch support and U-shaped cup heel helps to minimize pressure on the whole foot for good foot distribution.Anti-Slip & Shock Absorbent- The unique popcorn shape of the replacement insoles are anti-slip. The thickened memory latex foam provides excellent shock absorption and cushioning to reduce muscle fatigue in the feet and legs, giving your feet lasting comfort.Breathable & Sweat-Absorbent- Our comfort insoles have a fabric surface that absorbs sweat, and air holes in the bottom of the insole to promote air circulation and reduce foot odor, keeping your feet dry and fresh all day.Cut-to-Size Inner Soles: These are 2 sizes for our insoles. Small size for women, which fits US 5.5 to US 8.5. Large size for men, which fits US 7 to US 11. On the front part of the insole, there is a cutting line marked with the size, you can cut it according to the size of your foot, avoiding the embarrassment of the wrong size of the insole.Fit and Design for Daily Use- These insoles are suitable for all people, especially suitable for those who have to work or stand all day. You can use them in your running shoes, work shoes, and boots, casual shoes, leather shoes, and hiking shoes.