Replacement insole for Nike sneakers. Some normal wear with use, but still in good condition! - Nike Heel Cradle - ARCH SUPPORT: The arch support designed insole has changed the force structure of the foot,provide ideal solution for those with plantar fasciitis, flat feet, rigid steps, high, weak, fallen arches. FUNCTIONALITY: The ARCH SUPPORT can alleviate pain of the foot. Reduction of fatigue when walking or sport.It is suitable for sports shoes, flat shoes, boots, and even all shoes.Flexible and soft foam give the feet support and comfortable whole day. MATERIAL: Made of high-quality and durable medical-grade Velvet and PU material,which is safe to human body,Environment-friendly product,No toxic and side-effect to use,it's suitable for Men, Women. SIZES:Insole size can be cut according to your shoes, in the back of the insoles have a clear cut line. there are three sizes can suitable for anyone. You can choose the size that suits you. This is a size L, suitable for M 8-12, W 10-15