Enhance Sports Performance: SMOSUN Carbon Fiber Insoles incorporate unique carbon fiber spring plates that optimize biomechanics, effectively increasing explosive power and bounce during sports activities, making each step a powerful stride. Ergonomic Design: With a newly developed arch support design based on foot ergonomics, these insoles provide perfect arch support, reducing foot fatigue and keeping you comfortable throughout your workouts. Alleviate Foot Pain: The distinctive heel indentation design greatly reduces foot problems such as plantar fasciitis and heel spurs, providing relief from foot pain and ensuring the health of your feet. Efficient Shock Absorption: The forefoot section is equipped with thickened, shock-absorbing foam, offering strong cushioning for your feet, effectively alleviating impact during movements and protecting your joints and ligaments. Customized Comfort: These insoles can be trimmed to fit different shoe sizes, ensuring a perfect fit for your shoes. Additionally, the deep U-heel design prevents ankle sprains, keeping you safe during sports activities.