UPGRAGE DESIGN - The upgraded heel protector with "air holes" is more breathable and moisture-wicking, keeping your feet nice and comfort. Made of skin-friendly fabric providing better fit, Welnove plantar fasciitis heel cups not easily wear down and it can take the impact off the area, providing persistent cushioning and support. HEEL PAIN RELIEF - Built-in thicker gel, Welnove heel cushion cups can effectively absorb impact, provide support and chushion for your feet, reduce pain or discomfort from plantar fasciitis, achilles tendonitis, injured tendon,heel spur, cracked heel pain, stress fractures and swelling. SOFT & COMFORTABLE - These heel cushion pads disperse heel pressure for shock absorption and better comfort. It is an excellent choice for those who work on their feet for long hours, as it can make shoes more comfortable and reduce foot fatigue. The plantar fasciitis heel inserts is especially beneficial for shoes that lack proper cushioning or support.