Details Ultimate Shock Absorption: Designed for work boots, these insoles provide superior arch support and shock absorption, perfect for work, running, hiking, and more. Breathable & Odor-Free: Multi-layer construction with breathable fabric keeps feet dry and fresh, even during intense activities. Custom Fit: Easily trim to your desired size with clear cutting guidelines for a perfect fit every time Deep Heel Cup: U-shaped heel cup design prevents ankle sprains and reduces friction, ensuring stable support. Versatile Compatibility: Comfortably fits in sports shoes, casual shoes, basketball shoes, and more for long-lasting comfort.