One-piece welded seamless upper reduces weight. Molded toe cap to protect against stone chips Molded internal stiffening plate optimizes power transfer and comfort outside the bike. and provides a precise fit. The power strap provides a locked in fit and lace-up security. Ultratac rubber compound provides excellent durability and unparalleled grip. High and low arch support options for a custom fit. 2-bolt cleat system is compatible with all major pedal suppliers.