â»ăArch Support Orthotic Insoleă3ANGNI Arch Support Insole RED is designed for flat feet. Arch support helps minimize pressure to whole feet and make the foot well-distributed. Built-in latex metatarsal pad efficiently prevents and relieves the ball of foot pain. â»ăLong-lasting Comfort and Pain Reliefă Ideal orthopedic insert for pain prevention and relief of foot problems such as flat feet, pronation, plantar fasciitis, heel spurs, ball of foot pain, knee/back pain, shin splints. The U-heel stabilizes the feet and improves balance, which makes the body alignment, preventing the feet pronation. â»ăUnique Cork Arch Support Technologyă3angni designed cork arch support molds to the feet after long-time wearing due to the unique flexibility and compressibility of cork, so it can fit with the shape of most arches. â»ăHigh Quality Cushioning Materială Dual cushioning of EVA base and PU foam interlayer offer you the amazing cushioning during the feet movement. When your feet step on surfaces, the insole helps reduce the impact on the feet, ankles and joints, providing all-day comfort to you. â» ăFit Footwear and Risk Freeă It fits for loose footwear, such as work boots, casual dress shoes, etc. Due to the different arches of people, one insole can not fit all people. If you are confused with insole selection or need after-sale service, please contact 3ANGNI customer service, we always stand by your side.Color: 107a-red Model Number: 107A Size: UK-4-230MM3ANGNI orthotic Insole High Arch Foot Support Soft Medical Functional insoles, Insert for Severe Flat Feet,Plantar Fasciitis,Feet Pain, UK-4-23CM, Red