Swissside Aero Calf Sleeve Size:L Our aerodynamics team took a

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

Minimizing aerodynamic drag is of utmost importance for performance

Recognizing this challenge

enabling athletes to perform at their highest level in all conditions

then re-spun

Swissside Aero Calf Sleeve Size:L Our aerodynamics team took aDeveloped 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