- Size: 45 • High-quality memory foam 8 mm to 10 mm thick for excellent shock absorption and cushioning. • Reduces pressure on heels, knees, and ankles for greater daily comfort. • Anti-fatigue insoles that reduce fatigue in jobs that require standing or walking for long hours. • Help reduce pain in cases of plantar fasciitis or heel spurs. • Easily adapt to shoes, sneakers, boots for all-day work or sports activities, casual, travel, hiking, climbing, etc. • The insoles are machine washable, making them easy to clean and maintain.