Silipos WonderSpur Soft Heel Cup is specially designed to comfort the arch and treating the sensitive heels. Featuring the tiny waves that act like springs, the heel cup helps to absorb shock and impact. This heel pad provides optimal cushioning to your heels, allowing you to walk with comfort. The clear silicone orthotic foot cushion aids in Achilles tendonitis, pressure ulcers, bursitis, and plantar fasciitis. Latex-free and hypoallergenic active heel insole fit most shoe types and sizes including athletic shoes, boots, and casual footwear. The heel cup alleviates fatigue and is perfect for athletes. The soft and lightweight fabric of this heel support cushion keeps you comfortable all day.