- Size: 41/42 • Do not put the new insoles together with the current ones in the shoes at the same time, as it would be too thick and wide. It generally takes three days to get used to the arch support inserts. • Double-layer cushioning constructed with grade EVA foam and polyurethane cushioning, providing maximum cushioning for running, jumping, and other sports activities. • Made with high-quality breathable fabric that keeps your feet cool, dry, and comfortable by absorbing sweat during strenuous activities. • The U-shaped heel design provides stability to the feet, keeping the foot bone vertical and balanced, and reducing friction between the feet and the shoes. • Measurements: 27 cm in length, 8.7 cm in width, and 3.2 cm in height. • iFitna orthotics are designed to support the longitudinal arch and provide the necessary alignment to reduce overpronation. • They help relieve foot injuries caused by repetitive stress by absorbing shocks, providing cushioning, and transferring pressure away from high-impact areas. • Designed and manufactured according to ergonomic principles, adapted to the pressure distribution on the foot. • High polymer EVA provides good cushioning and elasticity to reduce shocks and knee fatigue and leg pain. • Soft skin-friendly non-slip fabric and high-density EVA foam, soft and breathable, keeping your feet comfortable and fresh all day.