Swissside Aero Calf Sleeve Size:L enabling athletes to perform at

enabling athletes to perform at their highest level in all conditions

2 recycled plastic bottles

then re-spun

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 enabling athletes to perform atDeveloped 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