- Size: 42 • High-density memory foam insoles that mold to the shape of the foot, providing optimal cushioning and reducing heel impact. • Breathable design that allows air circulation, keeping feet dry and comfortable all day long. • Ideal for daily use in hiking, casual, work, and dress shoes, offering support and comfort with every step. • Suitable for all types of users, from runners and hikers to office workers and nurses, helping to reduce pressure on the feet. • Easy to maintain: can be washed with warm water and soap, and should be dried in a ventilated area. They are not waterproof. • Medical recommendation: replace the insoles every month to maintain foot health.