Continental Grand Prix 4-Season Tire 700 x 23c, Black DuraSkin

The Continental Grand Prix 4-Season is an all-year-round tire and a reliable companion for those high mileage road cyclists.
Maxgrip silica tread compound is formulated to wear longer and offer improved traction in wet conditions and lower temperatures
Highly puncture-resistant casing with Duraskin sidewall protection
Uses a double Vectran fiber breaker which is extremely resistant to cuts and tears