- Size: 41 • Viscoelastic foam insoles that reduce muscle fatigue in feet and legs, ideal for long hours standing. • Breathable and sweat-absorbent material that keeps feet dry and controls temperature and odor. • Offer all-day comfort, perfect for running, working, walking, or any daily activity. • Customizable fit that adapts to the shape and weight of the foot for a more comfortable experience. • Designed for daily use in wide and high-volume shoes like athletic sneakers, work boots, and casual shoes. • Indicated for flat feet, heel pain, foot pain, plantar fasciitis, and pronation. • Made with viscoelastic foam and micro suede fabric.