Sidi Wire 2S Shoes Right Down To The Wire, Even Through The Fire The shoes you use play a significant role in your performance and power output. With a stiff carbon sole, you'll be able to put down more power with less flex from your shoes. The Sidi Wire 2S Shoes are engineered specifically for athletes who seek maximum foot stability when unleashing extreme power. Ventilated carbon sole with innovative Firmor lateral support system suitable for athletes who need to combine power transfer with more excellent lateral foot stability. The special dual-rotor closure offers the ultimate adjustment for the perfect level of lateral support. Features Microtech microfiber upper with a soft Instep Closure System Ventilated carbon sole for maximum power transfer Replaceable anti-slip heel pad so you can walk off the bike SPECIFICATIONSUpper Material Microtech Microfiber Upper Closure type Dial System with Dyneema Cables Outsole Ventilated Carbon Cleat Compatibility3-Bolt Road Cleats Intended Use Road Sizing EU Sizing US Sizing395. 539. 56406. 540. 5741741. 57. 542842. 58. 543943. 59. 5449. 544. 5104510. 545. 511461146. 511. 547124812. 54913. 5 | Sidi | Wire 2S Shoes Men's | Size 41 In Black