Swissside Aero Calf Sleeve Size:L The key to an efficient

The key to an efficient technique with maximum propulsion is freedom of movement

Minimizing aerodynamic drag is of utmost importance for performance

Even less water resistance

Our aerodynamics team took a pioneering approach by constructing an all-new in-house wind tunnel facility at the headquarters

Swissside Aero Calf Sleeve Size:L The key to an efficientDeveloped by Swiss Side's aerodynamic experts, these sleeves are designed to reduce air drag to save up to 8 watts on the bike course of triathlon competitions. Suitable for all triathlete types they offer a non compressive aero fit for easy application and removal during transitions. Sizes : S: < 35 cm M: 35 37 cm L: >37 cm Sizing tips : For a better fit, choose one size smaller if unsure. If you have thin ankles and larger calves, go for size M for