About This Item 🦶 Professional Orthotic Insole: Three-point mechanics structure for arch support and shock absorption. 🩴 Arch Support Height: 3.5 cm: Relieves foot pain from various conditions like plantar fasciitis, flat feet, and more. 🥿 Fits Most Footwear: 1/2 length insole, flexible and fits perfectly without trimming. Suitable for casual shoes, work boots, or hiking shoes. 🤗 Humanized Design: Firm EVA material for excellent foot support. Heel shock absorber disperses pressure on the heel. Velvet fabric surface layer reduces heat and friction during exercise. 🩹 Structured Heel Cup: Deep U shape heel cup for stability, heel, and joint protection. Prevents sliding and friction during high-impact activities. ✔️ 100% Satisfaction Guaranteed: Your satisfaction is our priority. Replacement or full refund if not thrilled. Use the size chart on the picture for reference.