Heel Protection: Our heel protectors can comfortably be worn under socks or stockings with sneakers, shoes, boots, or heels in daily life for blister prevention. Our heel cups for heel pain are made of medical-grade silicone and have breathable air holes. Shock Absorption: A silicone heel protector provides compression protection for plantar fasciitis, absorbs shock, and supports the heel for heel pain. It also helps to alleviate pain from Achilles tendonitis. Our heel cups soften the shock and impact on sore feetgreat for running, walking, or standing. Heel Pain Relief: Help relieve heel pain and discomfort from heel spurs, bone spurs, aching feet, stress fractures, bruised or sprained feet. They can also help with heel soreness and swollen ankles. Everyday Footwear: Simply stretch and slip the heel protectors onto your feet, and you will feel comfortable wearing socks, shoes, sneakers, and boots. With breathable air holes on the side vents, they also provide gentle heel massage. Designed for both men and women. Comfortable Heel Support: We sell high-quality products that last. Slip on a pair of gel heel cushion inserts into your shoes, and your feet will feel immediate relief.