From the manufacturer's official website:

Features:

• Optimal balance of grip and rolling resistance
• Responsive performance
• Highly resistant to punctures
• 127 TPI
• 220 Grams

The ultra-lightweight Pro² Race features a supple casing for responsiveness and remarkable performance. It’s essential equipment if you’re serious about training or racing. It has the lowest rolling resistance of any racing tire, along with outstanding tread life.

Technology:

• 100% Silica Energy rubber mix for excellent grip
• Casing with cross-ply fibers for flexibility, performance and light weight
• Puncture-resistant reinforcement minimizes the effect of tread cuts

For more information, please visit this product's webpage.