Perfect for everyday use in tighter fitting shoes where additional material in the toe box becomes too tight. Each insole sticks to the shoe and can easily be removed and transferred to another pair of shoes. ENHANCED BY D3O? TECHNOLOGY TO REDUCE SHOCK AND PROTECT AGAINST FOOT PAIN AND INJURIES, Uses D30? Technology, Provides instant relief and long-term protection, Design for heel and mid foot protection, for tight fitting work shoes where tighter on the forefoot. Adhesive layer to help fix in the right place Benefits:, General improvement of shock protection in the heel and midfoot. Ideal for those that experience heel pain, forefoot discomfort and/or lower limb fatigue as a result of being on their feet for long periods at any one time.