The 1st Line Insole is designed for effective foot support and comfort with its heat moldable shell and deep molded heel cups. It features a gentle supportive arch structure and a stable base, ensuring proper alignment and comfort. Available in three density options, and in both full and 3/4 length insoles, this product offers versatility to suit various needs. Additionally, it includes 3˚ and 5˚ adhesive-backed medial posts for customizable support.