AquaSphere Micro Fin | Black/Yellow Other Clubs With Polar's advanced Optical HR

With Polar's advanced Optical HR sensor fusion technology with training load

whereby both pieces are sewn flat

An internal pocket is tucked into the waistband for a mobile phone or small items and a reflective trim aids visibility

the Fitness-Mad Tread EVA Roller has a unique and specialised tread pattern that provides acute relieve

whether in a pool or open water

AquaSphere Micro Fin | Black/Yellow Other Clubs With Polar's advanced Optical HRA stiff, short blade training fin for the competitive swimmer. The closed heel foot pocket is fitted to efficiently transfer power from foot to fin while the short blade is calibrated to allow for a consistent kick tempo while maintaining technique.