Features: DEEP HEEL CUP SHOE INSERT: The main feature of these flat feet insoles are the deep indentation in the insole that holds the heel in place. This helps to prevent excessive pronation (inward rolling of the foot) and provides support for the arch. COMFORTABLE SUPPORT: These foot pain relief insoles can increase your overall comfort when standing, walking, or running. The insoles help distribute your body weight evenly and provide shock absorption, reducing the impact on your feet and making your activities more comfortable. BETTER ALIGNMENT: Orthotic shoe inserts can help correct your foot alignment, which is often a contributing factor to plantar fasciitis. Proper-alignment can reduce stress on the plantar fascia and prevent further injury. FIT MOST FOOTWEAR: These insoles can be used in most types of shoes, including running shoes, work boots, and casual footwear. BREATHABLE and NON-SLIP: These insoles are made from breathable materials that help to keep the feet cool and dry, reducing the risks of sweat Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: EVA and Blue , Segment Information: S(23-25) M(26-28) L(29-31) XL(32-34)XXL(35-37) Package List: 1 Pair O or X Leg Orthopedic Insoles