Schwalbe's Energizer Plus Tour rolls through the intersection of efficiency and reliability. You get ample security from flats, thanks to Schwalbe's 3mm GreenGuard puncture protection. And, whether you're setting out on a cross-country bike tour, cruising on a tandem, or just want peace of mind during your daily commute, the Energizer Plus Tour and its durable, easy-rolling tread is ready to keep going and going.