Thickandsoft: The soft heel protectors are made of high grade elastic, durable, heat-resistant, aging-resistant, non-toxic SEBS material for superior cushioning,softer than the normal heel cups,and not stiff like other gel sleeves cushion This new anti-slip material has the characteristics of air permeability, sweat absorption and friction increasing.So flexible and skin-friendly that you feel more comfortable wearing it in running, walking, or standing. Flexible And Breathable:Designed with multiple ventilation holes , the wraparound heel guards are breathable for comfortable all-day wear. The flexible heel wraps gently stretch to accommodate most foot sizes and can be worn under or on top of socks.Additionally, the gel heel protectors fit in most athletic shoes, casual shoes, sandals and boots. Superior Durability:Before the heel protectors went to market, we have repeatedly tested this heel pads cushion many times, after a long time of wearing, the gel heel sleeves will not be deformed and there is no trace of tearing,very stretchy and not easy to deform.Also, the design of the non-slip line of heel cups can enhance the friction between the heel cushion and the floor to reduce noise and the risk of slipping greatly. Protective Heel Cushioning:Soft gel heel protectors help to relieve chronic plantar fasciitis soreness from your sore hurt heels.Heel protectors reduce tired feet quickly gives arch support for flat feet heel orthotics , relieve heel pain and heel pressure.Best for heel pain treatment, relieve the heel spurs and tingling, sore feet, plantar fasciitis, sprained foot when walking or running. Beauty your foot and soften foot keratin. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store