🆕 New Balance Flat Foot Sport Insoles - Size 4 (Unisex) Never Worn

Brand new in original packaging! These New Balance Flat Foot Sport Performance Insoles are designed for over-pronation relief and support for flat feet, helping reduce discomfort from heel spurs, plantar fasciitis, runner’s knee, lower back pain, and more. 💡 Features: • Size: 4 (Unisex, Men’s & Women’s) • Original price: $34.99 • Designed for low arch / flat foot • Advanced pronation control design • Made in Korea 🇰🇷 • Comes in original retail packaging • Light blue fabric top, black molded support bottom • Label code: IFF3900 / 8453 🦶 Ideal for athletes or anyone needing biomechanical foot correction during physical activity or daily wear. 📦 50% OFF sticker still on box — get a deal on comfort and performance!