X-BIONIC Effektor 4.0 Spyker Calf Sleeves

Experience the warming effect of the X-BIONIC® SPYKER 4.0 in cold wind and icy temperatures.

The new 4.0 generation is the first to offer Retina® Ultra-High Definition Technology for maximum functional accuracy.

The Spyker protects your muscles from the cold and helps prevent injuries.

Thanks to Seamclean Technology, the Spyker is made of one piece.

The all-around seamless knit provides maximum comfort without pinching or rubbing.

The Positioning Line shows how the Spyker fits best, so that the patented 3D Bionic Sphere® System can perfectly unfold its temperature-regulating effect.

It cools when you sweat and warms when you freeze - now more effectively than ever.

The adaptable Aktiv-Bund® ensures a secure fit with every movement.

X-BIONIC Effektor 4.0 Spyker Calf Sleeves is available in different options and characteristics. Choose the one that fits your needs the best and receive it at home in a few days. In addition, in the online bike store you can find X-BIONIC Effektor 4.0 Spyker Calf Sleeves related products. Our selection of Arms and legs warmers products are designed to give you complete confidence, no matter of the intensity of the workout or sport activity.