Sirrus X 3.0 ST XC Skis Head’s updated Kore construction introduces

Head’s updated Kore construction introduces dual Titanal sheets underfoot for stronger energy return and improved damping

Front panel bungee and daisy chain

The self-inflating foam measures 2 inches (5 cm) and features Thermarest's StrataCore construction

With its accommodating Derby-cut styling

O FIT Insole BLOOM - Insoles made with Bloom Algae technology use sustainable algae biomass without compromising durability or comfort

Sirrus X 3.0 ST XC Skis Head’s updated Kore construction introducesOffering an unprecedented combination of comfort, efficiency, and nimble handling, the Sirrus X excels on pavement, dirt, and any terrain in between. SMOOTH, COMFORTABLE, AND EFFICIENT: Sirrus X provides the smoothest ride in its class. With bigger, confidence inspiring tires, a slightly more upright riding position, and a super intuitive one by drivetrain. RIDER FIRST ENGINEERED: Like all Specialized performance bikes, the geometry of each frame is