The Whisper R1 shoe is Catlike`s midrange shoe! This version is for the road, meaning the sole is ready for a 3 bolt road cleat. A breathable construction using lightweight materials, neutral arch that adapts to your foot, and a stiff reinforced composite sole; this shoe is for those racing cyclists who want a top tier shoe. The engineering put into this shoe ensures that your energy is maximized with every pedal stroke. A micro-adjustable dial means that you perfect your fit. This shoe weighs in at 280g per pair at size 43.