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 Your 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 Your Sore Feet - Great for Running, Walking, Or Standing, Heel Protectors^Heel Pain Relief Help Relieve Severe Heel Pain and Discomfort From Your Sore Hurting Heels, Heel Spur Treatment, Bone Spurs, Aching Feet, Aches, Stress Fractures, Bruised, and Sprained Feet. They Can Even Help with Sharp Extreme Heel Soreness and Swollen Ankles^Every Day Footwear Simply Stretch and Slip The Heel Protectors Onto Your Feet, and You Will Feel Perfectly Comfortable Wearing Socks, Shoes, Sneakers, and Boots. with Breathable Air Holes On The Side Vents and It Also Massages Your Heel. Unisex for Both Men and Women^Comfortable Heel Socks We Sell High-Quality Products That Last. Slip-On A Pair Of Gel Heel Cushion Inserts Into Your Shoes, and Your Feet Will Sigh with Relief