Wear-resistant, non-slip shift design, perfect for mountain biking and speed riding. Quick-drying, breathable mesh and polyurethane upper. Velcro straps with a carbon fiber design securely hold the foot in place while pedaling. High-quality heel cup provides foot stability. Inner heel: non-slip Lycra, outsole: 7-layer carbon + 3-layer fiberglass. All details are in the photos, so please check carefully before purchasing. Please note that we do not accept returns or claims after the product arrives. Thank you for viewing.