Wind Sock IIProven in the field by the likes of Mathieu van der Poel and the entire Alpecin Deceuninck team, the Bont Cycling Windsock II is unlike any aero sock you've experienced. Designed to slice through the wind and protect you from the elements, the Windsock II delivers speed with a waterproof, form fitting and sleek main panel with a super aerodynamic leg. Finished with subtle Bont Cycling and SpatzWear logos. Perfectly matched to the entire Bont Cycling